Walker, physicist, trainer at NASA, Houston Chronicle
"James L. "Jim" Walker, who trained astronauts and worked in the Mission Control Center for NASA's Gemini missions and for the Skylab Program, died at home in Houston on May 31 after a battle with cancer. He was 69. Walker was born in the rural farming community of Somerset, Pa., on Sept. 22, 1939. His wife, Julie Noble-Walker, described him as a "brilliant physicist and the kindest soul you could ever meet."