diff --git a/1998/df/index.html b/1998/df/index.html
index ea6d18d8bd..ef2979cc13 100644
--- a/1998/df/index.html
+++ b/1998/df/index.html
@@ -464,7 +464,7 @@ <h3>A word guessing game</h3>
 <h2 id="author">Author:</h2>
 <ul>
 <li>Name: <a href="../../authors.html#Daniel_Fischer">Daniel Fischer</a><br>
-Location: <a href="../../location.html#US">US</a> - <em>United States of America</em> (<em>United States</em>)</li>
+Location: <a href="../../location.html#DE">DE</a> - <em>Federal Republic of Germany</em> (<em>Germany</em>)</li>
 </ul>
 
 <!-- END: next line ends content generated by: bin/output-index-author.sh -->
diff --git a/author/Daniel_Fischer.json b/author/Daniel_Fischer.json
index 7202c563fc..b9324966d6 100644
--- a/author/Daniel_Fischer.json
+++ b/author/Daniel_Fischer.json
@@ -4,14 +4,14 @@
     "author_handle" : "Daniel_Fischer",
     "full_name" : "Daniel Fischer",
     "sort_word" : "fischer",
-    "location_code" : "US",
-    "email" : null,
+    "location_code" : "DE",
+    "email" : "df.ioccc@erinye.com",
     "url" : null,
     "alt_url" : null,
     "deprecated_twitter_handle" : null,
-    "mastodon" : null,
+    "mastodon" : "@setsubyou@mastodon.social",
     "mastodon_url" : null,
-    "github" : null,
+    "github" : "@thatfool",
     "affiliation" : null,
     "winning_entry_set" : [
         {
diff --git a/authors.html b/authors.html
index 5fc8dc379b..f86e80a861 100644
--- a/authors.html
+++ b/authors.html
@@ -1718,7 +1718,9 @@ <h2 id="f-is-for-float"><i>f</i> is for <code>float</code></h2>
 </div>
 <p>
 </p>
-Location: <a class="normal" href="location.html#US">US</a> - <em>United States</em>
+Location: <a class="normal" href="location.html#DE">DE</a> - <em>Germany</em>
+<br>
+GitHub: <a class="normal" href="https://github.com/thatfool"><span class="citation" data-cites="thatfool">@thatfool</span></a>
 <br>
 author_handle: <a class="normal" href="https://github.com/ioccc-src/winner/blob/master/author/Daniel_Fischer.json">Daniel_Fischer</a>
 <p>
diff --git a/location.html b/location.html
index fcbaa90e6a..29d2f1c3f5 100644
--- a/location.html
+++ b/location.html
@@ -546,10 +546,11 @@ <h2>Location of winning authors</h2>
 <li><div id="DE">
 <strong>DE</strong> - <em>Federal Republic of Germany</em> (<em>Germany</em>)
 </div>
-<p>Author count: <strong>9</strong></p>
+<p>Author count: <strong>10</strong></p>
 <ul>
 <li><a class="normal" href="authors.html#Szabolcs_Borsanyi">Szabolcs Borsanyi</a></li>
 <li><a class="normal" href="authors.html#Volker_Diels-Grabsch">Volker Diels-Grabsch</a></li>
+<li><a class="normal" href="authors.html#Daniel_Fischer">Daniel Fischer</a></li>
 <li><a class="normal" href="authors.html#Garry_Glendown">Garry Glendown</a></li>
 <li><a class="normal" href="authors.html#Arne_Heizmann">Arne Timwi Heizmann</a></li>
 <li><a class="normal" href="authors.html#Immanuel_Herrmann">Immanuel Herrmann</a></li>
@@ -874,7 +875,7 @@ <h2>Location of winning authors</h2>
 <li><div id="US">
 <strong>US</strong> - <em>United States of America</em> (<em>United States</em>)
 </div>
-<p>Author count: <strong>99</strong></p>
+<p>Author count: <strong>98</strong></p>
 <ul>
 <li><a class="normal" href="authors.html#Anonymous_1984">Anonymous 1984</a></li>
 <li><a class="normal" href="authors.html#Derek_Anderson">Derek Anderson</a></li>
@@ -909,7 +910,6 @@ <h2>Location of winning authors</h2>
 <li><a class="normal" href="authors.html#Paul_Eggert">Paul Eggert</a></li>
 <li><a class="normal" href="authors.html#Cody_Boone_Ferguson">Cody Boone Ferguson</a></li>
 <li><a class="normal" href="authors.html#Thomas_A_Fine">Thomas A. Fine</a></li>
-<li><a class="normal" href="authors.html#Daniel_Fischer">Daniel Fischer</a></li>
 <li><a class="normal" href="authors.html#Karl_F_Fox">Karl F. Fox</a></li>
 <li><a class="normal" href="authors.html#David_Goodenough">David Goodenough</a></li>
 <li><a class="normal" href="authors.html#Aaron_Grothe">Aaron Grothe</a></li>