Johannes Hjelmslev, Date of Birth, Date of Death

Johannes Hjelmslev

mathematician

Date of Birth: 07-Apr-1873

Date of Death: 16-Feb-1950

Profession: mathematician, university teacher, historian of mathematics

Nationality: Denmark

Zodiac Sign: Aries

Johannes Trolle Hjelmslev (Danish: ['j?l?msle??]; 7 April 1873 – 16 February 1950) was a mathematician from Hørning, Denmark.
Hjelmslev worked in geometry and history of geometry.
He was the discoverer and eponym of the Hjelmslev transformation, a method for mapping an entire hyperbolic plane into a circle with a finite radius. He was the father of Louis Hjelmslev.