Julius S. Katz; Former President of Vivitar Corp.

Julius S. Katz, 73, former president of Vivitar Corp. who helped develop it into an international dealer in photographic products. A native of New York City and graduate of Brooklyn College, Katz earned a Distinguished Flying Cross for his military service during World War II. He spent more than 30 years with Vivitar, retiring in 1986 to devote his time to assisting immigrant children, and working in the Nature Conservancy and the Wilderness Society. On Jan. 23 in Brentwood of a brain tumor.