Gary Grigsby is a computer wargame designer and programmer.
Grigsby's first games were published by Strategic Simulations, Inc. (SSI). His work with SSI lasted from 1982 until 1997. During that time he created several titles that are considered classics of the wargame genre.
In 1992 and 1993, SSI released a series of two WWII wargames bearing Grigsby's name in the title, one covering the Pacific Theater and the other covering the Russian Front.
Source: The Publisher Website.