• the requirement to teach geometry was removed from the duties of the Savilian Professor of Geometry at Oxford so that Edward Titchmarsh could be appointed to the post in 1931?
• the Brocard points, the Brocard circle and the Brocard triangle are named after French geometer Henri Brocard, who spent most of his life studying meteorology with no notable original contributions to the subject?
• Italian mathematician Guido Castelnuovo secretly taught geometry to Jewish students during World War II?
• Australian cricketer Keith Miller, while attending high school during his teenage years, had Test captain Bill Woodfull as his mathematics teacher, who gave him a zero on a geometry exam?

Facts on topics related to Geometry

Mathematics

• Italian mathematician Guido Castelnuovo secretly taught geometry to Jewish students during World War II?
• Elbert Frank Cox was the first black person in the world to get a Ph.D in mathematics?
• Fischer Black Prize, first awarded in 2003, is the finance analogue to the Clark Medal in economics and the Fields Medal in mathematics, introduced in 1947 and 1936, respectively?
• Frank Ryan earned a Ph.D. in mathematics while playing quarterback for the Cleveland Browns?
• James W. Patterson, a Senator from New Hampshire, was a professor of mathematics, astronomy, and meteorology?
• Max Noether, called "one of the greatest mathematicians of the nineteenth century", learned advanced mathematics mostly through self-study?
• Nathan Daboll wrote the mathematics textbook most commonly used in American schools during the first half of the 19th century?
• Sigve Tjøtta, retired mathematics professor and a member of the Acoustical Society of America, competed in a half marathon at age 75?
• stitch markers (pictured) are mnemonic devices that demonstrate the underlying mathematical basis of crochet?
• Ostomachion is a mathematical treatise attributed to Archimedes on a 14-piece tiling puzzle (pictured) similar to tangram?

Differential geometry

• convergence of the iterative proportional fitting procedure for estimating cell values of a contingency table was rigorously proved using differential geometry?
• in surgery theory, the Spivak normal bundle is named after Michael Spivak, a mathematician specializing in differential geometry?
• the Thue-Morse sequence has applications in number theory, combinatorics, differential geometry and chess?

Calculus

• Yuktibhasa, written by Indian astronomer Jyeshtadeva, is considered to be the first mathematical treatise on calculus?
• the formulas John Knox and Harlan J. Brothers came up with to calculate e were no more difficult than college-level calculus?