Company Pedigree
| Ascendant Companies | Descendent Companies | ||
| Company | Comments | Company | Comments |
| AT&T / Bell Labs | William Shockley left Bell Labs to form Shockley Semiconductor with backing from Beckman Instruments | Fairchild Semiconductor | “Traitorous Eight” from Shockley Semiconductor: Julius Blank, Victor Grinich, Jean Hoerni, Gene Kleiner, Jay Last, Gordon Moore, Robert Noyce, and Sheldon Roberts |
| Clevite | Purchased Shockley Semiconductor in 1968. Resold to ITT who closed the operation. | ||