Andrew J. Solomon, 70, died March 31 at UMass Medical Center in Worcester. Born in Worcester, he was the son of the late Louis and Rose (Gaffin) Solomon. He is survived by two brothers, Harve Solomon of Framingham and Steven Solomon of Deerfield Beach, Fla.; a niece, Rachel Mastracchio and her husband, Nick of Hamden, Conn.; and one of his close cousins, Nina Steinberg and her husband David.