diff --git a/Credits.txt b/Credits.txt
index 92f3855..6316ff0 100644
--- a/Credits.txt
+++ b/Credits.txt
@@ -44,6 +44,4 @@ Kyle Oettle <dummyaccount@gmail.com>
 Don Diego de la Vega <elzorro@elzorro.co.uk>
 John Nordberg <john.nordberg@gmail.com> @dgm9704
 Adnan Chughtai @adnan
-olga rose @olgarose
-Bill Karvelas <vaskarvelas@gmail.com>
-Xingyu Lu <lxy122@umd.edu>
+Michael von Rothbart <mvonrothbart@gmail.com>