Godfrey Harold Hardy was an English mathematician, known for his achievements in number theory and mathematical analysis. In biology, he is known for the Hardy–Weinberg principle, a basic principle of population genetics.
Hardy, c. 1927
Charles F. Wilson, Srinivasa Ramanujan (centre), G. H. Hardy (extreme right), and other scientists at Trinity College at the University of Cambridge, c. 1910s
A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, structure, space, models, and change.
Euclid (holding calipers), Greek mathematician, known as the "Father of Geometry"
Emmy Noether, mathematical theorist and teacher
In 1938 in the United States, mathematicians were desired as teachers, calculating machine operators, mechanical engineers, accounting auditor bookkeepers, and actuary statisticians.