Portal:History of science/Selected anniversaries/July 2

July 2:

 * 1621 - Death of Thomas Harriot, English astronomer


 * 1698 - Thomas Savery patents the first steam engine


 * 1850 - The self-contained gas mask is patented by Benjamin J. Lane


 * 1862 - Birth of William Henry Bragg, English physicist, Nobel laureate (d. 1942)


 * 1897 - Italian scientist Guglielmo Marconi obtains patent for radio in London


 * 1906 - Birth of Hans Bethe, German-born nuclear physicist, Nobel laureate (d. 2005)


 * 1914 - Birth of Mário Schenberg, Brazilian physicist (d. 1990)


 * 1946 - Birth of Richard Axel, American scientist, Nobel laureate


 * 2001 - AbioCor self contained artificial heart created