Parallax Propeller
The Parallax P8X32A Propeller chip, introduced in 2006, is a multi-core architecture parallel microcontroller with eight 32-bit RISC CPU cores.
The Parallax Propeller microcontroller, Propeller Assembly language, and Spin interpreter were designed by one person, Parallax's co-founder and president Chip Gracey. The Spin Programming language and "Propeller Tool" integrated development environment were designed by Chip Gracey and Parallax's software engineer Jeff Martin.
Read more about Parallax Propeller: Multi-core Architecture, Speed and Power Management, On-board Peripherals, ROM Extensions, Built in SPIN Byte Code Interpreter, Package and I/O, Virtual I/O Devices, Dedicated Cores Instead of Interrupts, Boot Mechanism, External Persistent Memory, Other Language Implementations, Graphical Programming, Future Versions