July 2, 2013

2013Anthony G. Bosco, American bishop (born 1927)^[†]

Anthony Gerard Bosco was an American prelate of the Catholic Church who served as the third bishop of the Diocese of Greensburg in Pennsylvania from 1987 to 2004. He previously served as an auxiliary bishop of the Diocese of Pittsburgh in Pennsylvania from 1970 to 1987.

2013Douglas Engelbart, American computer scientist, invented the computer mouse (born 1925)^[†]

Douglas Carl Engelbart was an American engineer, inventor, and a pioneer in many aspects of computer science. He is best known for his work on founding the field of human–computer interaction, particularly while at his Augmentation Research Center Lab in SRI International, which resulted in creation of the computer mouse, and the development of hypertext, networked computers, and precursors to graphical user interfaces. These were demonstrated at The Mother of All Demos in 1968. Engelbart's law, the observation that the intrinsic rate of human performance is exponential, is named after him.

2013Armand Gaudreault, Canadian ice hockey player (born 1921)^[†]

Armand Gérard Gaudreault was a Canadian ice hockey player. He played 44 games in the National Hockey League with the Boston Bruins during the 1944–45 season. The rest of his career, which lasted from 1940 to 1952, was spent in the Quebec Senior Hockey League and the American Hockey League. Gaudreault was born in Lac Saint-Jean, Quebec.

2013Anthony Llewellyn, Welsh-American chemist, academic, and astronaut (born 1933)^[†]

John Anthony Llewellyn was a Welsh-born American chemist, a former NASA astronaut candidate, and a NOAA aquanaut.

2013The International Astronomical Union names Pluto's fourth and fifth moons, Kerberos and Styx.^[†]

The International Astronomical Union is an international non-governmental organization (INGO) with the objective of advancing astronomy in all aspects, including promoting astronomical research, outreach, education, and development through global cooperation. It was founded on 28 July 1919 in Brussels, Belgium and is based in Paris, France.

2013A magnitude 6.1 earthquake strikes Aceh, Indonesia, killing at least 42 people and injuring 420 others.^[†]

On 2 July 2013, an earthquake struck the Indonesian island of Sumatra on 2 July with a moment magnitude of 6.1 and a maximum Mercalli intensity of VI (Strong). The strike-slip earthquake killed at least 43 people and injured more than 2,500 others in the province of Aceh where approximately 4,300 homes were damaged or destroyed.