* Astronomy

Michael John "Bloomer" Bloomfield (born 16 March 1959) is a former American astronaut
http://en.wikipedia.org/wiki/Michael_J._Bloomfield

Ronnie Walter Cunningham (born March 16, 1932), known as Walt Cunningham, is a retired American astronaut. 
http://en.wikipedia.org/wiki/Walter_Cunningham

Vladimir Mikhaylovich Komarov (16 March 1927 - 24 April 1967) was a Soviet test pilot
http://en.wikipedia.org/wiki/Vladimir_Mikhaylovich_Komarov

Captain Lawrence Edward Grace ("Titus") Oates (17 March 1880 - 16 March 1912) was an English Antarctic explorer
http://en.wikipedia.org/wiki/Lawrence_Oates

Anna Atkins (Maiden name Anna Children) (16 March 1799 - 9 June 1871) was an English botanist and photographer. 
http://en.wikipedia.org/wiki/Anna_Atkins

Frederick Reines (March 16, 1918 - August 26, 1998) was an American physicist. 
http://en.wikipedia.org/wiki/Frederick_Reines

Georg Simon Ohm (16 March 1789 - 6 July 1854) was a German physicist.
http://en.wikipedia.org/wiki/Georg_Ohm

Heinrich Gustav Johannes Kayser (16 March 1853 - 14 October 1940) was a German physicist and spectroscopist.
https://en.wikipedia.org/wiki/Heinrich_Kayser

John Broughton (born 1952) is an Australian amateur astronomer. 
https://en.wikipedia.org/wiki/John_Broughton

DeLisle Stewart (March 16, 1870 - February 2, 1941) was an American astronomer 
http://en.wikipedia.org/wiki/DeLisle_Stewart

Caroline Lucretia Herschel (16 March 1750 - 9 January 1848) was a German-British astronomer
http://astronomy.activeboard.com/t22424623/caroline-herschel/

Supernovae 1895A (VW Virginis) was discovered by Maximilian Wolf on the 16 March 1895
http://astronomy.activeboard.com/t56840040/supernovae-1895a/

A Type II supernova, designated as SN 2012aw, was discovered in M95 on 16 March 2012.
http://astronomy.activeboard.com/t48325254/possible-supernova-in-m95/