Author: Diana Morgan

(The Scientist, Vol:5, #3, pg. 8, February 4, 1991) (Copyright, The Scientist, Inc.)

-------- Sarah Cohn and Paul Christensen might have gotten married, anyway. But it helped that the musician and the electrical engineer first went into business together.

They met five years ago at a social occasion. Today they are bound together in business as well as marriage, she as marketing manager and he as president of Potomac Photonics Inc. in Lanham, Md., a company he founded to market a small-scale, inexpensive excimer laser.

Professionally, they had little in common except for an avowed obsession to be entrepreneurs. She has two degrees in music and an MBA, and she once owned a company that booked foreign gigs for classical musicians. He has a Ph.D. in electrical engineering from the University of California, Berkeley, and has devoted his career to research on excimer lasers. But Cohn...

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