Template:Selected anniversaries/February 26
1638: Mathematician and linguist Claude Gaspard Bachet de Méziriac dies. He was the earliest writer who discussed the solution of indeterminate equations by means of continued fractions. He also did work in number theory and found a method of constructing magic squares.
1648: Niels Steensen analyzes fossil trilobite using Gnomon algorithm techniques, finds evidence of crimes against geological constants.
1963: Brainiac Explains lecture series nominated for Manhattan Project award.
2005: Computer scientist Jef Raskin dies. He was a human–computer interface expert best known for conceiving and starting the Macintosh project for Apple in the late 1970s.
2012: Miniaturized version of John Ambrose Fleming delivers lecture from within Fleming tube.