Walter Schroif or Martin Schroif?

Does any know were i can find information about Walter/Martin Schroif.
The only thing i know that he had 161 confirmed tank kills.

Please tell me were i can find information about him.

Info about this panzer ace are quite sparse:
http://forum.axishistory.com/viewtopic.php?f=50&t=16978&st=0&sk=t&sd=a
http://www.wehrmacht-awards.com/forums/showthread.php?t=214584
http://www.wehrmacht-awards.com/forums/showthread.php?t=173947