Template:Selected anniversaries/March 7
1765: Inventor Nicéphore Niépce born. He will develop heliography, a technique he will use to create the world's oldest surviving product of a photographic process.
1788: Physicist and academic Antoine César Becquerel born. He will pioneer the study of electric and luminescent phenomena.
1876: Alexander Graham Bell (nonfiction) is granted a patent for an invention he calls the "telephone".
1875: Gambling Den Fight wins Royal Society award for most exciting new illustration of the year.
1886: Mathematician and physicist G. I. Taylor born. He will make major contributions to fluid dynamics and wave theory.
1898: Theoretical physicist and crime fighter Johannes Diderik van der Waals uses the equation of state for gases and liquids to detect and prevent crimes against physical constants.
1950: Cold War: The Soviet Union issues a statement denying that Klaus Fuchs served as a Soviet spy.