diff --git a/ubo-cli/src/main/setup/classifications/nameIdentifier.xml b/ubo-cli/src/main/setup/classifications/nameIdentifier.xml
index 566ad110f..10e6e480f 100644
--- a/ubo-cli/src/main/setup/classifications/nameIdentifier.xml
+++ b/ubo-cli/src/main/setup/classifications/nameIdentifier.xml
@@ -6,18 +6,37 @@
     <category ID="scopus">
       <label xml:lang="de" text="SCOPUS" />
       <label xml:lang="en" text="SCOPUS" />
+      <label xml:lang="x-display" text="true" />
+      <label xml:lang="x-uri" text="https://www.scopus.com/authid/detail.url?partnerID=HzOxMe3b&amp;origin=inward&amp;authorId=" />
     </category>
     <category ID="gnd">
       <label xml:lang="de" text="GND" />
       <label xml:lang="en" text="GND" />
+      <label xml:lang="x-display" text="true" />
+      <label xml:lang="x-uri" text="https://d-nb.info/gnd/" />
     </category>
     <category ID="researcherid">
       <label xml:lang="de" text="ResearcherID" />
       <label xml:lang="en" text="ResearcherID" />
+      <label xml:lang="x-display" text="true" />
+      <label xml:lang="x-uri" text="http://www.researcherid.com/rid/" />
     </category>
     <category ID="orcid">
       <label xml:lang="de" text="ORCID" />
       <label xml:lang="en" text="ORCID" />
+      <label xml:lang="x-display" text="true" />
+      <label xml:lang="x-uri" text="https://orcid.org/" />
+    </category>
+    <category ID="lsf">
+      <label xml:lang="de" text="LSF ID" />
+      <label xml:lang="en" text="LSF ID" />
+      <label xml:lang="x-display" text="true" />
+      <label xml:lang="x-uri" text="https://www.uni-due.de/zim/services/suchdienste/mitarbeiter.php?id=" />
+    </category>
+    <category ID="local">
+      <label xml:lang="de" text="Lokale ID" />
+      <label xml:lang="en" text="Local ID" />
+      <label xml:lang="x-display" text="false" />
     </category>
   </categories>
 </mycoreclass>
diff --git a/ubo-common/src/main/resources/META-INF/resources/scss/_ubo-common.scss b/ubo-common/src/main/resources/META-INF/resources/scss/_ubo-common.scss
index e00bcf255..f44627368 100644
--- a/ubo-common/src/main/resources/META-INF/resources/scss/_ubo-common.scss
+++ b/ubo-common/src/main/resources/META-INF/resources/scss/_ubo-common.scss
@@ -143,6 +143,10 @@
     cursor: pointer;
   }
 
+  .is-connected-author {
+    color: $primary;
+  }
+
   .ubo-mandatory::before {
     content: "* \00A0";
   }
diff --git a/ubo-common/src/main/resources/xsl/mods-display.xsl b/ubo-common/src/main/resources/xsl/mods-display.xsl
index d3191c435..c0379ed17 100644
--- a/ubo-common/src/main/resources/xsl/mods-display.xsl
+++ b/ubo-common/src/main/resources/xsl/mods-display.xsl
@@ -474,6 +474,7 @@
   <xsl:template match="mods:name[@type='personal' or @type='corporate']" mode="details">
     <xsl:variable name="role" select="mods:role/mods:roleTerm[@type='code']" />
     <xsl:variable name="list" select="../mods:name[mods:role/mods:roleTerm[@type='code']=$role]" />
+
     <xsl:if test="count($list[1]|.)=1">
 
       <div class="row">
@@ -483,6 +484,9 @@
         </div>
         <div class="col-9">
           <xsl:for-each select="$list">
+            <xsl:variable name="is-corresponding-author" select="contains(mods:role/mods:roleTerm/@valueURI, 'author_roles#corresponding_author')" />
+            <xsl:variable name="is-connected-author" select="count(mods:nameIdentifier[@type='connection']) &gt; 0" />
+            <xsl:variable name="popId" select="generate-id()"/>
             <span>
               <xsl:attribute name="class">
                 <xsl:choose>
@@ -507,16 +511,33 @@
 
               <xsl:apply-templates select="." />
 
-              <xsl:choose>
-                <xsl:when test="count(mods:nameIdentifier[@type='connection']) &gt;0">
-                  <xsl:apply-templates select="mods:nameIdentifier[@type='connection']" />
-                </xsl:when>
-                <xsl:otherwise>
-                  <xsl:apply-templates select="mods:nameIdentifier[@type='orcid']" />
-                  <xsl:apply-templates select="mods:nameIdentifier[not(@type='orcid')]" />
-                  <xsl:apply-templates select="mods:role/mods:roleTerm" mode="corresponding-author"/>
-                </xsl:otherwise>
-              </xsl:choose>
+              <xsl:if test="mods:nameIdentifier or $is-corresponding-author = true()">
+                <span id="{$popId}" title="{i18n:translate('person.search.information')}">
+                  <xsl:attribute name="class">
+                    <xsl:text>ubo-person-popover ml-1 fas fa-user</xsl:text>
+                    <xsl:if test="$is-corresponding-author = true()">
+                      <xsl:text>-edit</xsl:text>
+                    </xsl:if>
+                    <xsl:if test="$is-connected-author = true()">
+                      <xsl:text> ubo-person-connected</xsl:text>
+                    </xsl:if>
+                  </xsl:attribute>
+                </span>
+  
+                <div id="{$popId}-content" class="d-none">
+                  <dl>
+                    <xsl:choose>
+                      <xsl:when test="count(mods:nameIdentifier[@type='connection']) &gt;0">
+                        <xsl:apply-templates select="mods:nameIdentifier[@type='connection']" />
+                      </xsl:when>
+                      <xsl:otherwise>
+                        <xsl:apply-templates select="mods:nameIdentifier[not(@type='connection')]" />
+                      </xsl:otherwise>
+                    </xsl:choose>
+                  </dl>
+                </div>
+              </xsl:if>
+
             </span>
           </xsl:for-each>
 
@@ -540,125 +561,98 @@
     <xsl:if test="position() != last()"> / </xsl:if>
   </xsl:template>
 
-  <xsl:param name="UBO.LSF.Link"/>
-
   <xsl:template match="mods:nameIdentifier[@type='connection']">
     <xsl:variable name="userXML" select="document(concat('userconnection:', text()))"/>
     <xsl:variable name="userAttributeClassification" select="document('classification:metadata:-1:children:user_attributes')"/>
-    <xsl:variable name="popId" select="generate-id()"/>
-    <xsl:variable name="is-corresponding-author" select="contains(../mods:role/mods:roleTerm/@valueURI, 'author_roles#corresponding_author')"/>
-
-    <span id="{$popId}" title="{i18n:translate('person.search.information')}">
-      <xsl:attribute name="class">
-        <xsl:text>ubo-person-popover ml-1 fas fa-user</xsl:text>
-        <xsl:if test="$is-corresponding-author = true()">
-          <xsl:text>-edit</xsl:text>
-        </xsl:if>
-      </xsl:attribute>
-    </span>
 
-    <div id="{$popId}-content" class="d-none">
-      <dl>
-        <xsl:if test="count($userXML/user/attributes/attribute) &gt; 0">
-          <xsl:for-each select="$userXML/user/attributes/attribute">
-            <xsl:variable name="attrName" select="@name"/>
-            <xsl:variable name="classNode" select="$userAttributeClassification/.//category[@ID=$attrName]"/>
-            <xsl:if test="count($classNode)&gt;0 and count($classNode/label[@xml:lang='x-display' and @text='true'])&gt;0">
-              <dt>
-                <xsl:value-of select="$classNode/label[lang($CurrentLang)]/@text"/>
-              </dt>
-              <dd>
-                <xsl:choose>
-                  <xsl:when test="$attrName='id_orcid'">
-                    <!-- special display code for orcid -->
-                    <xsl:variable name="url" select="concat($MCR.ORCID2.LinkURL,@value)" />
-                    <a href="{$url}" title="ORCID iD: {@value}">
-                      <xsl:value-of select="@value" />
-                      <img alt="ORCID iD" src="{$WebApplicationBaseURL}images/orcid_icon.svg" class="orcid-icon" />
-                    </a>
-                  </xsl:when>
-                  <xsl:when test="count($classNode/label[@xml:lang='x-uri'])  &gt;0">
-                    <!-- display as link -->
-                    <a href="{$classNode/label[@xml:lang='x-uri']/@text}{@value}" title="{$classNode/label[lang($CurrentLang)]/@text}: {@value}">
-                      <xsl:value-of select="@value" />
-                    </a>
-                  </xsl:when>
-                  <xsl:otherwise>
-                    <!-- display as text -->
-                    <xsl:value-of select="@value" />
-                  </xsl:otherwise>
-                </xsl:choose>
-              </dd>
-            </xsl:if>
-          </xsl:for-each>
+    <xsl:if test="count($userXML/user/attributes/attribute) &gt; 0">
+      <xsl:for-each select="$userXML/user/attributes/attribute">
+        <xsl:variable name="attrName" select="@name"/>
+        <xsl:variable name="classNode" select="$userAttributeClassification/.//category[@ID=$attrName]"/>
+        <xsl:if test="count($classNode)&gt;0 and count($classNode/label[@xml:lang='x-display' and @text='true'])&gt;0">
+          <dt>
+            <xsl:value-of select="$classNode/label[lang($CurrentLang)]/@text"/>
+          </dt>
+          <dd>
+            <xsl:choose>
+              <xsl:when test="$attrName='id_orcid'">
+                <!-- special display code for orcid -->
+                <xsl:variable name="url" select="concat($MCR.ORCID2.LinkURL,@value)" />
+                <a href="{$url}" title="ORCID iD: {@value}">
+                  <xsl:value-of select="@value" />
+                  <img alt="ORCID iD" src="{$WebApplicationBaseURL}images/orcid_icon.svg" class="orcid-icon" />
+                </a>
+              </xsl:when>
+              <xsl:when test="count($classNode/label[@xml:lang='x-uri'])  &gt;0">
+                <!-- display as link -->
+                <a href="{$classNode/label[@xml:lang='x-uri']/@text}{@value}" title="{$classNode/label[lang($CurrentLang)]/@text}: {@value}">
+                  <xsl:value-of select="@value" />
+                </a>
+              </xsl:when>
+              <xsl:otherwise>
+                <!-- display as text -->
+                <xsl:value-of select="@value" />
+              </xsl:otherwise>
+            </xsl:choose>
+          </dd>
         </xsl:if>
-      </dl>
-    </div>
-  </xsl:template>
-
-  <xsl:template match="mods:nameIdentifier[@type='lsf']">
-    <span class="nameIdentifier lsf" title="LSF ID: {.}">
-      <a href="{$UBO.LSF.Link}{.}">LSF</a>
-    </span>
-  </xsl:template>
-
-  <xsl:template match="mods:nameIdentifier[@type='orcid']">
-    <xsl:variable name="url" select="concat($MCR.ORCID2.LinkURL,text())" />
-    <a href="{$url}" title="ORCID iD: {text()}">
-      <img alt="ORCID iD" src="{$WebApplicationBaseURL}images/orcid_icon.svg" class="orcid-icon" />
-    </a>
-  </xsl:template>
-
-  <xsl:template match="mods:nameIdentifier[@type='researcherid']">
-    <span class="nameIdentifier researcherid" title="ResearcherID: {.}">
-      <a href="http://www.researcherid.com/rid/{.}">ResearcherID</a>
-    </span>
-  </xsl:template>
-
-  <xsl:template match="mods:nameIdentifier[@type='gnd']">
-    <span class="nameIdentifier gnd" title="GND: {.}">
-      <a href="http://d-nb.info/gnd/{.}">GND</a>
-    </span>
-  </xsl:template>
-
-  <xsl:param name="UBO.Scopus.Author.Link" />
-
-  <xsl:template match="mods:nameIdentifier[@type='scopus']">
-    <span class="nameIdentifier scopus" title="SCOPUS Author ID: {.}">
-      <a href="{$UBO.Scopus.Author.Link}{.}">SCOPUS</a>
-    </span>
+      </xsl:for-each>
+    </xsl:if>
   </xsl:template>
 
-  <xsl:param name="UBO.Local.Author.Link" />
-
-  <xsl:template match="mods:nameIdentifier[@type='local']">
-    <span class="nameIdentifier local" title="{i18n:translate('ubo.authorlink.local.title')}: {.}">
-      <xsl:choose>
-        <xsl:when test="string-length($UBO.Local.Author.Link) &gt; 0">
-          <a href="{$UBO.Local.Author.Link}{.}"><xsl:value-of select="i18n:translate('ubo.authorlink.local.text')" /></a>
-        </xsl:when>
-        <xsl:otherwise><xsl:value-of select="i18n:translate('ubo.authorlink.local.text')" /></xsl:otherwise>
-      </xsl:choose>
-    </span>
-  </xsl:template>
+  <xsl:variable name="nameIdentifierClassification" select="document('classification:metadata:-1:children:nameIdentifier')"/>
 
   <xsl:template match="mods:nameIdentifier">
-    <xsl:variable name="badge.label">
-      <xsl:choose>
-        <xsl:when test="i18n:exists(concat('badge.nameIdentifier.', @type))">
-          <xsl:value-of select="i18n:translate(concat('badge.nameIdentifier.', @type))"/>
+    <xsl:variable name="identifierType" select="@type" />
+    <xsl:variable name="classNode" select="$nameIdentifierClassification/.//category[@ID=$identifierType]"/>
+    <xsl:choose>
+        <xsl:when test="$classNode/label[@xml:lang='x-display']/@text='false'"></xsl:when>
+        <xsl:when test="count($classNode)&gt;0 and $classNode/label[@xml:lang='x-display']/@text='true'">
+          <dt>
+            <xsl:value-of select="$classNode/label[lang($CurrentLang)]/@text"/>
+          </dt>
+          <dd>
+            <xsl:choose>
+              <xsl:when test="@type='orcid'">
+                <!-- special display code for orcid -->
+                <xsl:variable name="url" select="concat($MCR.ORCID2.LinkURL, .)" />
+                <a href="{$url}" title="ORCID iD: {.}">
+                  <xsl:value-of select="." />
+                  <img alt="ORCID iD" src="{$WebApplicationBaseURL}images/orcid_icon.svg" class="orcid-icon" />
+                </a>
+              </xsl:when>
+              <xsl:when test="count($classNode/label[@xml:lang='x-uri']) &gt;0">
+                <!-- display as link -->
+                <a href="{$classNode/label[@xml:lang='x-uri']/@text}{.}" title="{$classNode/label[lang($CurrentLang)]/@text}: {.}">
+                  <xsl:value-of select="." />
+                </a>
+              </xsl:when>
+              <xsl:otherwise>
+                <!-- display as text -->
+                <xsl:value-of select="." />
+              </xsl:otherwise>
+            </xsl:choose>
+          </dd>
         </xsl:when>
         <xsl:otherwise>
-          <xsl:value-of select="@type"/>
+          <xsl:variable name="identifier.label">
+            <xsl:choose>
+              <xsl:when test="i18n:exists(concat('badge.nameIdentifier.', @type))">
+                <xsl:value-of select="i18n:translate(concat('badge.nameIdentifier.', @type))"/>
+              </xsl:when>
+              <xsl:otherwise>
+                <xsl:value-of select="@type"/>
+              </xsl:otherwise>
+            </xsl:choose>
+          </xsl:variable>
+          <dt>
+            <xsl:value-of select="$identifier.label" />
+          </dt>
+          <dd>
+            <xsl:value-of select="." />
+          </dd>
         </xsl:otherwise>
       </xsl:choose>
-    </xsl:variable>
-
-    <span class="nameIdentifier genericid" title="{@type}: '{.}'">
-      <a href="javascript:void(0)">
-        <xsl:value-of select="$badge.label" />
-      </a>
-    </span>
   </xsl:template>
 
   <!-- ========== Konferenz ========== -->