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diff --git a/public/index.html b/public/index.html
index 96c320650c5a8bd485a30131bc491dd9e5f01953..ea59783c2ea76d665160c63a2aa15b1cd0fe98d8 100644
--- a/public/index.html
+++ b/public/index.html
@@ -267,7 +267,7 @@
           <!-- Grid column -->
           <div class="col-lg-3 col-md-6 mb-lg-0 mb-5">
             <div class="avatar mx-auto">
-              <img src="./imgs/avatar/DieterUcklemann.jpg" class="rounded-circle z-depth-1" width="150px">
+              <img src="./imgs/avatar/DieterUcklemann.png" class="rounded-circle z-depth-1" width="150px">
             </div>
             <h5 class="font-weight-bold mt-4 mb-3">Prof. Dr. Dieter Uckelmann</h5>
             <p class="text-uppercase blue-text"><strong>Lab Leader</strong></p>
@@ -295,12 +295,12 @@
             <div class="avatar mx-auto">
               <img src="./imgs/avatar/MyriamGuedey.png" class="rounded-circle z-depth-1" width="150px">
             </div>
-            <h5 class="font-weight-bold mt-4 mb-3">Joe T. Santhanavanich</h5>
+            <h5 class="font-weight-bold mt-4 mb-3">Myriam Guedey</h5>
             <p class="text-uppercase blue-text"><strong>Researcher</strong></p>
             <a href="https://www.hft-stuttgart.de/p/myriam-guedey" target="_blank">
               <button class="btn btn-primary btn-sm profile">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>
+            <p class="grey-text">Research topic: Smart Cities | Sensors & IoT | Smart Buildings | Open Source and Open Networks | Sustainable Digitalisation</p>
             <ul class="list-unstyled mb-0">
               
               <a class="p-2 fa-lg" href="https://www.researchgate.net/profile/Myriam-Guedey" target="_blank">
@@ -324,12 +324,12 @@
             <div class="avatar mx-auto">
               <img src="./imgs/avatar/rosanny.jpg" class="rounded-circle z-depth-1" width="150px">
             </div>
-            <h5 class="font-weight-bold mt-4 mb-3">Rosanny S.</h5>
+            <h5 class="font-weight-bold mt-4 mb-3">Avatar x </h5>
             <p class="text-uppercase blue-text"><strong>Researcher</strong></p>
             <a href="https://www.hft-stuttgart.de/p/rosanny-sihombing" target="_blank">
               <button class="btn btn-primary btn-sm profile">See full profile</button>
             </a>
-            <p class="grey-text">Research topic: Smart Cities | 3D City Models | 3D Web Visualization | AR/VR</p>
+            <p class="grey-text">Research topic: key1 | key2  | ... </p>
             <ul class="list-unstyled mb-0">
               
               <a class="p-2 fa-lg" href="#" target="_blank">
@@ -349,12 +349,12 @@
             <div class="avatar mx-auto">
               <img src="./imgs/avatar/PatrickSquare.jpg" class="rounded-circle z-depth-1" width="150px">
             </div>
-            <h5 class="font-weight-bold mt-4 mb-3">Patrick Wuerstle</h5>
+            <h5 class="font-weight-bold mt-4 mb-3">Avatar y</h5>
             <p class="text-uppercase blue-text"><strong>Researcher</strong></p>
             <a href="https://www.hft-stuttgart.de/p/patrick-wuerstle" target="_blank">
               <button class="btn btn-primary btn-sm profile">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>
+            <p class="grey-text">Research topic: key1 | key2  | ...  </p>
             <ul class="list-unstyled mb-0">
               
               <a class="p-2 fa-lg" href="#" target="_blank">