Edson de Castro is a computer engineer perhaps best known for designing the Data General Nova

Data General Nova

The Data General Nova was a popular 16-bit minicomputer built by the American company Data General starting in 1969. The Nova was packaged into a single rack mount case and had enough power to do most simple computing tasks. The Nova became popular in science laboratories around the world, and...

 series of computers.

De Castro was founder and CEO of Data General

Data General

Data General was one of the first minicomputer firms from the late 1960s. Three of the four founders were former employees of Digital Equipment Corporation. Their first product, the Data General Nova, was a 16-bit minicomputer...

 Corporation throughout the 1970s, the 1980s and into the 1990s when he was replaced by Ronald L Skates, a former Price Waterhouse Coopers partner.
He also was the project manager in charge of developing the PDP-8

PDP-8

The 12-bit PDP-8 was the first successful commercial minicomputer, produced by Digital Equipment Corporation in the 1960s. DEC introduced it on 22 March 1965, and sold more than 50,000 systems, the most of any computer up to that date. It was the first widely sold computer in the DEC PDP series of...

mini computer at Digital Equipment Corporation, before leaving to form Data General Corporation.