Description
Developer of the first mass-market UK home computer for under £100, Sinclair was a British entrepreneur and inventor responsible for the ZX80, ZX81, and ZX Spectrum computers, as well as the slim-line electronic pocket calculator in 1972 (Sinclair Executive), among many other things. Sinclair had been fascinated by electronics and miniaturization since his teenage years.
In 1961 he founded Sinclair Radionics after spending several years as assistant editor of Practical Wireless and Instrument Practice to raise funds.