American chemist and engineer generally credited to have developed vulcanised rubber though there are reports of it being in existence for centuries. On 15 June 1844, Goodyear received a US patent (# 3633) for perfecting the process of vulcanisation of rubber, though Thomas Hancock had a patent pending for the same process 8 weeks before.
Vulcanised rubber had been used by Mesoamericans as far back as 1600 BC.
The layout of the popular QWERTY keyboard is actually not user-friendly. The keyboard was designed by Christopher Latham Sholes primarily to prevent jamming in typewriters during sessions of fast typing. Though in all modern operating systems, alternatives like the Dvorak Simplified Keyboard exist, they haven't been able to gain a substantial following. The Dvorak layout uses less finger motion which, as is claimed, results in faster typing speeds, lesser errors and decreased incidence of repetitive strain injuries. The Dvorak keyboard was designed, patented and promoted by August Dvorak and his brother-in-law, Dr. William Dealey. A well-known user of the Dvorak keyboard is Matt Mullenweg, the co-creator of the world's most popular content management system, WordPress. [more...]