#### Quote of the day

Set the foot down with distrust on the crust of the world — it is thin.

#### John Tukey

**Born:**June 16, 1915

**Died:**July 26, 2000

**(aged 85)**

**Bio:**John Wilder Tukey was an American mathematician best known for development of the FFT algorithm and box plot.

**Known for:**

- The collected works of John W. Tukey (1984)
- Convergence and uniformity in topology (1940)
- Graphical Analysis of Multi-Response Data (1998)
- Index to statistics and probability (1973)