In memorium: Alfred J. Gross wireless radio system pioneer

Al Gross, pioneer in the field of wireless communications and inventor of the WWII walkie-talkie, passed away in Sun City, Arizona, USA December 21, 2000. Gross played a major role in establishing personal portable communications. His efforts led to invention of the first walkie-talkie prior to WWII, in 1938. In 1948, he successfully lobbied the FCC to establish a segment of the radio frequency spectrum for two-way radio communications that later became the Citizens Band (CB). In 1949 he invented the telephone pager and devices that led to cordless and cellular telephone technology. Many of Al's patents expired before these wireless technologies gained widespread popularity. A brief review of the life and works of Al Gross are presented.