A RAND staffer (right) explains his work to RAND founder Frank Collbohm (left) and John D. Williams, author of "The Compleat Strategyst: Being a Primer of the Theory of Games and Strategy." Williams, who headed RAND's Mathematics Division, died in 1964 at age 55. Collbohm, who organized "Project RAND" at Douglas Aircraft and separated it in 1948 to become RAND Corporation, died in 1990 at age 83. Image courtesy of the RAND Archives.