Alexander Lowry, a former Mercury News photographer who also taught at UC Santa Cruz Extension, died Dec. 18 after losing a six-month battle with cancer, the Santa Cruz Sentinel reported. He was 73. Lowry died at home in Mount Shasta, where he moved in 2001 with his wife of 42 years, Sharon Lowry. He worked at the Merc during the late 1950s and again later in his career. He published five books of photography, including two for the Sempervirens Fund in the 1970s.