doc: Review the libpng history and update scripts/cmake/AUTHORS.md
diff --git a/scripts/cmake/AUTHORS.md b/scripts/cmake/AUTHORS.md
index fe423fe..641dde2 100644
--- a/scripts/cmake/AUTHORS.md
+++ b/scripts/cmake/AUTHORS.md
@@ -5,9 +5,12 @@
-----------
* Alex Gaynor
+ * Alexey Petruchik
* Andreas Franek
+ * Andrew Hundt
* B. Scott Michel
* Benjamin Buch
+ * Bernd Kuhls
* Cameron Cawley
* Christian Ehrlicher
* Christopher Sean Morrison
@@ -17,6 +20,7 @@
* Cosmin Truta
* Dan Rosser
* David Callu
+ * Gianfranco Costamagna
* Gleb Mazovetskiy
* Glenn Randers-Pehrson
* Gunther Nikl
@@ -26,6 +30,7 @@
* Kyle Bentley
* Martin Storsjö
* Owen Rudge
+ * Philip Lowman
* Roger Leigh
* Roger Lowman
* Sam Serrels