One of the most significant physicist of the 20th century, Dirac is known for his fundamental contributions to the development of quantum mechanics and quantum electrodynamics. He is most famous for the Dirac equation which predicted the existence of antimatter. He shared the 1933 Nobel Prize in Physics with Erwin Schrödinger.
In 2005, Opera CEO, Jon Stephenson von Tetzchner, announced that he would swim across the Atlantic from Norway to the US if the version 8 of web browser received a million downloads in 4 days. The number was reached in just 2 days and Tetzchner went ahead with the challenge, though in vain. [more...]