This Wikipedian is deceased.

Adalbert Goertz, born Dec 3, 1928 in Langenau, Kreis Rosenberg, West Prussia, retired physics prof. living in Colorado Springs CO. Interests:

• Mennonites in Prussia prior to 1945; With Ed Brandt co-author of Genealogical Guide to East and West Prussia, Minneapolis MN 2002-2003; http://www.mennonitegenealogy.com/prussia/
  
• Pollinators in Colorado (Apoidea-Bees, Coleoptera-Beetles, Diptera-Flies), see images in http://www.bugguide.net