#### Quote of the day

Not content to have the audience in the palm of his hand, he goes one further and clinches his fist.

#### Oswald Veblen

**Born:**June 24, 1880

**Died:**August 10, 1960

**(aged 80)**

**Bio:**Oswald Veblen was an American mathematician, geometer and topologist, whose work found application in atomic physics and the theory of relativity.

**Known for:**

- The Foundations of Differential Geometry (1932)
- Invariants of Quadratic Differential Forms (1926)
- Projective Geometry (1910)
- Introduction to infinitesimal analysis (1907)