Former Wayne State University chemistry professor A. Paul Schaap founded Southfield-based Lumigen Inc. in 1987. Lumigen was WSU's first spin-off and has grown into a $33 million biotech firm with a national client base. But the growth potential could be even greater when the company joins California-based Beckman Coulter, Inc., a long-time Lumigen client. The deal is expected to close Nov. 1. Schaap will remain as Lumigen's president and CEO. His photo accompanies the story.