Rexford Douglas Singer, 83, of Falcon Heights, died July 30, 2016. He was born March 30, 1933, in Rapid City, S.D.

Rex graduated from South Dakota State University with a degree in civil engineering. He went on to earn a master’s degree in public health engineering from the University of Minnesota.

He taught sanitary engineering courses for three years at South Dakota State University and then returned to the U of M, where he taught various courses in environmental health. His primary interest was providing safe, adequate public and private drinking-water supplies both in the U.S. and abroad.

He was preceded in death by his parents, Joseph and Alyce Singer; his brother, Richard; and his wife, Jeanne Singer. He is survived by his wife of 55 years, Doris; children, Mary (Jim) Bolles and Mark Singer; three grandchildren; and brother, Robert (Audrey) Singer.

Mass of Christian Burial was celebrated Aug. 5 at Church of St. Cecilia in Como Park, with interment at Roselawn Cemetery.

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