WILLIAM M. CURTIS, an attorney who specialized in corporate securities, mergers, and acquisitions, died Mar. 27, 2017, at age 76. A member of Sigma Chi, he received his degree with distinction in history. He received his law degree from Duke University, after which he began his law career in New York City. In 1972 he moved to California, where he practiced until his retirement. He is survived by his second wife, Rhobie Reed-Curtis, three children, two stepchildren, and seven grandchildren.