Update photo of me

Uli said he doesn't need to be publicly credited, but I want to
open up more possibilities for connections between people,
be they online connections or IRL (in "real life"),  so I mention
my photographer's name and hyperlink to Uli's LinkedIn

colophon.html

@@ -7,15 +7,16 @@
   <table>
     <tr>
       <td>
-        <img src="IMG-20180205-WA0005.jpg" alt="photo of Tony Chen at a meat-free 
-                                                restaurant in Singapore, taken in the year 2018 A.D."
-             height="300"
+        <img src="martians_gimp_patdavid_decompose.jpg" alt="photo of Tony Chen at a cafe/coffee-shop, known as
+                                                             Straits Clan, on the island of 
+                                                             Singapore; circa 2019 A.D."
+             height="400"
              width="400">
         </td>
       </tr>
     <tr>
       <td><i>
-        Photograph by Diana.
+        Photograph probably taken by <a href="https://www.linkedin.com/in/uhitzel/">Uli</a>, in the year 2020 A.D.
         </i>
         </td>
       </tr>