Age 80, of O'Hara Twp., on Tuesday, October 22, 2013. Alfs was born in Latvia, grew up in Australia, and taught at Melbourne University before coming to Pittsburgh. A retired professor of Computer Science at the University of Pittsburgh, he was the author of DATA STRUCTURES - Theory and Practice, one of the first textbooks published in computer science. In the early 1970s, the book was translated into five languages. He was the author of two additional textbooks. An avid world traveler, he was interested in the arts as well as in mathematics and science. He is survived by his wife of 51 years, Mara; daughters, Leonora and Dagmara; sons-in-law, Richard Stein and Carsten Schroer; and grandchildren, Andrew, Emily, and Jillian Stein. Friends are welcome at the WEDDELL - AJAK FUNERAL HOME, 100 Center Avenue, Aspinwall, on Wednesday, October 30, 2013 between 4:00 and 8:00 p.m. Funeral will be private. In lieu of flowers, donations may be made to the Greater Pittsburgh Community Food Bank.
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Published in Pittsburgh Post-Gazette on Oct. 27, 2013