Dr. Robert (Bob) Katz, emeritus professor of physics at the University of Nebraska, author of the Katz Model, a deceptively simple but profound parametric model of the action of charged particles on physical and biological systems, died peacefully at his home at Lincoln, NE, on March 12, 2011, after a brief illness. Bob, born in New York City in 1917, and his sister Gladys, were of immigrant Russian Jewish descent. Their parents owned a delicatessen in the Bronx, not far from the Yankee Stadium, where, as Bob recalled, Babe Ruth stopped by for hot dogs, a huge man driving a little sports car, and where Bob saw the New York Giants’ Carl Hubbell pitching a 15-inning shutout at the Polo Grounds, and when doubleheaders cost $1
