Mr. Ginsburg, 32, had been vice president of corporate development.

In 1997-98 he was named vice president of planning and development for Dow Jones.

Interactive Entertainment in 1994, where he served as vice president of creative development.

He eventually became vice president of solid-state electronic research and development.

When L0pht was acquired by @stake in 1999, he became the vice president of research and development and later chief scientist.

He stayed on thereafter for a short while as the vice president of research and development, before leaving to begin building his own business.

He was promoted to vice president of dramatic development in 1983.

He retired in 1977 as vice president of research and development.

He retired in 1971 as vice president of corporate development.

Mike Alvich, vice president of marketing and development, said that as the company grew, it provided a public service.