Founder, top scientist of Md. cancer drug developer retires

Rexahn Pharmaceuticals Inc.'s founder, Chang Ahn, retired at the end of August as a member of the board of directors and as the Rockville company's chief scientist, the company announced. Ahn founded the company, which is developing new treatments for cancer, in 2001, and served as its CEO until February 2013. He was also chairman of ...

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