06-20-2009, 08:07 PM
Hi there,
I tried playing around with the name Mearl Wallis. When I googled the name Wallace and your grampa's unit, This book came up. Probably not the same guy, but it does provide a link between someone that was alive a couple of years ago and your grampa
http://www.bookstandpublishing.com/book_details/GI_Engineers