Historical Archive

Public Figures & Cultural Luminaries

Filterable archive covering centuries of intellectual, artistic, and moral contributions to the human story.

Showing 1639โ€“1656 of 8663 archival records
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John Dobson
Sciences & Discovery
18
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John Dobson

๐Ÿ‡บ๐Ÿ‡ธ United States
c. 1916 โ€“ 2014 (98 years old)

John Lowry Dobson was an American amateur astronomer and is best known for the Dobsonian telescope, a portable, low-cost Newtonian reflector telescope. Celebrated internationally for distinguished contributions to sciences.

Zoltรกn Pรกl Dienes
Sciences & Discovery
20
๐Ÿ•ฏ๏ธ 0

Zoltรกn Pรกl Dienes

๐Ÿ‡จ๐Ÿ‡ญ Switzerland
c. 1917 โ€“ 2014 (97 years old)

Zoltรกn Pรกl Dienes, anglicized as Zoltan Paul Dienes, was a Hungarian mathematician whose ideas on education have been popular in some countries. He was a world-famous theorist and tireless practitioner of the "new mathematics": an approach to mathematics learning that uses games, songs, and dance to make it more appealing to children. Celebrated internationally for distinguished contributions to sciences.

Showing 1,639–1,656 of 8,663 memorials • Page 92 of 482