List of Famous people born on May 20th

Ferdinand Fränzl was a German violinist, composer, conductor, opera director, and a representative of the third generation of the so-called Mannheim school.

Barthélemy Menn was a Swiss painter and draughtsman who introduced the principles of plein-air painting and the paysage intime into Swiss art.

Tony Cliff was a Trotskyist activist. Born to a Jewish family in Palestine, he moved to Britain in 1947 and by the end of the 1950s had assumed the pen name of Tony Cliff. A founding member of the Socialist Review Group, which became the International Socialists and then the Socialist Workers Party, in 1977, Cliff was effectively the leader of all three.

Everett M. Arnold, also known as Busy Arnold, was an American publisher and an early comic-book entrepreneur whose company Quality Comics published during the 1930s and 1940s period fans and historians call the Golden Age of Comic Books. He was also instrumental in the publishing arrangement that led to Will Eisner's newspaper Sunday-supplement comics series The Spirit.

Jonas Staugaitis was the acting President of Lithuania during the December 1926 coup d'état. He was formally elected for a few hours as the Speaker of the Seimas; as the highest-ranked official, he also became the de jure President of Lithuania. He renounced the office after the coup d'état was complete.

Andreas (Andres) Berlin was a naturalist, one of the "apostles of Linnaeus", though not among the more successful.

William Slater was an Australian lawyer, politician and diplomat.

Henry Seely White was an American mathematician. He was born in Cazenovia, New York to parents Aaron White and Isadore Maria Haight. He matriculated at Wesleyan University in Connecticut and graduated with honors in 1882 at the age of twenty-one. White excelled at Wesleyan in astronomy, ethics, Latin, logic, mathematics, and philosophy. At the university, John Monroe Van Vleck taught White mathematics and astronomy. Later, Van Vleck persuaded White to continue to study mathematics at the graduate level. Subsequently, White studied at the University of Göttingen under Klein, and received his doctorate in 1891.