indepsim disco: three examples

12.II.1430

Independent simultaneous discoveries dept: 3 examples. the 3rd one cuts the deepest.
1. independent and almost simltaneous development of infinitesimal analysis by Mrrs. Newton and Leibniz.

2. Early in the 19th century, Karl Friedrich Gauss (1777-1855) and William Rowan Hamilton (1805-1865) independently and almost simultaneously proposed the idea of defining complex numbers as ordered pairs (a, b) of real numbers endowed with certain special properties. Apostol, Calculus volume I (1967) ch. 9, p. 358.

3. The third ring of Saturn "was first detected by Mr Bond at Cambridge U.S. on November 15, 1850; Mr Dawes, not aware of Mr Bond's discovery, observed it on November 29th, and Mr Lassel a few days -later." Maxwell, Scientific papers of James Clerk Maxwell, Niven ed., Cambridge UP (1890) ch. XIX p. 291.

cf.:
telepathé communication