diff --git a/public/css/main.css b/public/css/main.css
index 3212e7dfa44b282881006cb4e7edea680cfdbe9e..4bbc663837a17f93d1c39b603d05de1b54b2b411 100644
--- a/public/css/main.css
+++ b/public/css/main.css
@@ -53,7 +53,7 @@ body{
 
 
 a {
-  color: #ff6464;
+  color: #2196f3;
   /* text-decoration: underline; */
   background-color: transparent;
 }
diff --git a/public/index.html b/public/index.html
index bf500a85bc8813d92d0a6d55394c6cb1d3f10272..0b51e1ddea63cc052088c5b55f87ac26a6d29d78 100644
--- a/public/index.html
+++ b/public/index.html
@@ -84,8 +84,8 @@
       <div class="container">
         <img src="imgs/database.svg" class="windSVG" width="100px" alt="wind">
         <h1> <b>Urban Geoinformatics Lab </b> <br>@HFT Stuttgart </h1>
-        <p id="rgc_introduction" class="lead text-muted"> (or Vote for new group name) <br>A research group introduction
-          here ....</p>
+        <!-- <p id="rgc_introduction" class="lead text-muted"> (or Vote for new group name) <br>A research group introduction
+          here ....</p> -->
         <p id="rgc_introduction2">The research projects at HFT Stuttgart (University of Applied Sciences Stuttgart).</p>
       </div>
     </section>
@@ -282,19 +282,20 @@
             </div>
             <h5 class="font-weight-bold mt-4 mb-3">Prof. Dr. Volker Coors</h5>
             <p class="text-uppercase blue-text"><strong>Lab Leader</strong></p>
-            <p class="grey-text">Profile Description....</p>
+            <a href="https://www.hft-stuttgart.de/p/volker-coors" target="_blank">
+              <button class="btn btn-primary btn-sm">See full profile</button>
+            </a>
+            <p class="grey-text">Research topic: Smart Cities | OGC Standards | Sensors & IoT | 3D City Models | 3D Web Visualization | 3D Simulation | Big Data</p>
             <ul class="list-unstyled mb-0">
-              <!-- Facebook -->
-              <a class="p-2 fa-lg fb-ic">
-                <i class="fab fa-facebook-f blue-text"> </i>
+              
+              <a class="p-2 fa-lg" href="#" target="_blank">
+                <i class="fab fa-researchgate"></i>
               </a>
-              <!-- Twitter -->
-              <a class="p-2 fa-lg tw-ic">
-                <i class="fab fa-twitter blue-text"> </i>
+              <a class="p-2 fa-lg" href="#" target="_blank">
+                <i class="fab fa-google"></i>
               </a>
-              <!-- Instagram -->
-              <a class="p-2 fa-lg ins-ic">
-                <i class="fab fa-instagram blue-text"> </i>
+              <a class="p-2 fa-lg" href="#" target="_blank">
+                <i class="fab fa-linkedin"></i>
               </a>
             </ul>
           </div>
@@ -307,15 +308,20 @@
             </div>
             <h5 class="font-weight-bold mt-4 mb-3">Joe T. Santhanavanich</h5>
             <p class="text-uppercase blue-text"><strong>Researcher</strong></p>
-            <p class="grey-text">Profile Description....</p>
+            <a href="https://www.hft-stuttgart.de/p/thunyathep-santhanavanich" target="_blank">
+              <button class="btn btn-primary btn-sm">See full profile</button>
+            </a>
+            <p class="grey-text">Research topic: Smart Cities | OGC Standards | Sensors & IoT | 3D City Models | 3D Web Visualization | 3D Simulation | Big Data</p>
             <ul class="list-unstyled mb-0">
-              <!-- Facebook -->
-              <a class="p-2 fa-lg fb-ic">
-                <i class="fab fa-facebook-f blue-text"> </i>
+              
+              <a class="p-2 fa-lg" href="https://www.researchgate.net/profile/Thunyathep-Santhanavanich" target="_blank">
+                <i class="fab fa-researchgate"></i>
+              </a>
+              <a class="p-2 fa-lg" href="https://scholar.google.com/citations?user=RKNY04EAAAAJ&hl=en" target="_blank">
+                <i class="fab fa-google"></i>
               </a>
-              <!-- Instagram -->
-              <a class="p-2 fa-lg ins-ic">
-                <i class="fab fa-instagram blue-text"> </i>
+              <a class="p-2 fa-lg" href="https://www.linkedin.com/in/thunyatheps/" target="_blank">
+                <i class="fab fa-linkedin"></i>
               </a>
             </ul>
           </div>
@@ -331,15 +337,20 @@
             </div>
             <h5 class="font-weight-bold mt-4 mb-3">Rosanny S.</h5>
             <p class="text-uppercase blue-text"><strong>Researcher</strong></p>
-            <p class="grey-text">Profile Description....</p>
+            <a href="https://www.hft-stuttgart.de/p/rosanny-sihombing" target="_blank">
+              <button class="btn btn-primary btn-sm">See full profile</button>
+            </a>
+            <p class="grey-text">Research topic: Smart Cities | 3D City Models | 3D Web Visualization | AR/VR</p>
             <ul class="list-unstyled mb-0">
-              <!-- Facebook -->
-              <a class="p-2 fa-lg fb-ic">
-                <i class="fab fa-facebook-f blue-text"> </i>
+              
+              <a class="p-2 fa-lg" href="#" target="_blank">
+                <i class="fab fa-researchgate"></i>
+              </a>
+              <a class="p-2 fa-lg" href="#" target="_blank">
+                <i class="fab fa-google"></i>
               </a>
-              <!-- Github -->
-              <a class="p-2 fa-lg ins-ic">
-                <i class="fab fa-github blue-text"> </i>
+              <a class="p-2 fa-lg" href="#" target="_blank">
+                <i class="fab fa-linkedin"></i>
               </a>
             </ul>
           </div>
@@ -351,19 +362,20 @@
             </div>
             <h5 class="font-weight-bold mt-4 mb-3">Patrick Wuerstle</h5>
             <p class="text-uppercase blue-text"><strong>Researcher</strong></p>
-            <p class="grey-text">Profile Description....</p>
+            <a href="https://www.hft-stuttgart.de/p/patrick-wuerstle" target="_blank">
+              <button class="btn btn-primary btn-sm">See full profile</button>
+            </a>
+            <p class="grey-text">Research topic: Smart Cities | OGC Standards | Participation Platform | 3D City Models | 3D Web Visualization | 3D Simulation | Big Data </p>
             <ul class="list-unstyled mb-0">
-              <!-- Facebook -->
-              <a class="p-2 fa-lg fb-ic">
-                <i class="fab fa-facebook-f blue-text"> </i>
+              
+              <a class="p-2 fa-lg" href="#" target="_blank">
+                <i class="fab fa-researchgate"></i>
               </a>
-              <!-- Instagram -->
-              <a class="p-2 fa-lg ins-ic">
-                <i class="fab fa-instagram blue-text"> </i>
+              <a class="p-2 fa-lg" href="#" target="_blank">
+                <i class="fab fa-google"></i>
               </a>
-              <!-- Dribbble -->
-              <a class="p-2 fa-lg ins-ic">
-                <i class="fab fa-dribbble blue-text"> </i>
+              <a class="p-2 fa-lg" href="#" target="_blank">
+                <i class="fab fa-linkedin"></i>
               </a>
             </ul>
           </div>
diff --git a/public/js/language.js b/public/js/language.js
index ee990c2cf4f5d616358c5a06f659cbd1d67d43b0..52f90c6cd970a568e212f0fdd9de762c6db94ab2 100644
--- a/public/js/language.js
+++ b/public/js/language.js
@@ -38,7 +38,7 @@ function language(lang){
         rgc_about.innerHTML = "About"
         rgc_group.innerHTML = "Details about our group to be inserted here... "
         rgc_contact.innerHTML = "Contact"
-        rgc_introduction.innerHTML =" (or Vote for new group name) <br>A research group introduction here ...."
+        // rgc_introduction.innerHTML =" (or Vote for new group name) <br>A research group introduction here ...."
         rgc_introduction2.innerHTML = "The research projects at HFT Stuttgart (University of Applied Sciences Stuttgart)."
         rgc_application.innerHTML = "<i class='fas fa-laptop-code'></i> Our Applications"
         rgc_applicationdesc.innerHTML = "Research Short Introduction ...."
@@ -51,7 +51,7 @@ function language(lang){
         rgc_about.innerHTML = "About"
         rgc_group.innerHTML = "Details über unsere Gruppe... "
         rgc_contact.innerHTML = "Kontakt"
-        rgc_introduction.innerHTML =" (oder Stimme für einen Gruppennamen) <br>Eine Vorstellung der Forschungsgruppe folgt hier ...."
+        // rgc_introduction.innerHTML =" (oder Stimme für einen Gruppennamen) <br>Eine Vorstellung der Forschungsgruppe folgt hier ...."
         rgc_introduction2.innerHTML = "Die Forschungsprojekte an der HFT Stuttgart (Hochschule für Technik Stuttgart)."
         rgc_application.innerHTML = "<i class='fas fa-laptop-code'></i> Unsere Anwendungen"
         rgc_applicationdesc.innerHTML = "Forschung Kurzvorstellung ...."