Mary Eleanor Spear
Mary Eleanor Spear | |
|---|---|
from her books | |
| Born | Mary Eleanor Hunt March 4, 1897 |
| Died | January 22, 1986 (aged 88) |
| Nationality | American |
| Occupation | Statistician |
| Spouse |
Albert Austin Spear (m. 1921) |
Mary Eleanor Hunt Spear (March 4, 1897 – January 22, 1986) was an American data visualization specialist, graphic analyst and author, who pioneered development of the bar chart and box plot.