Mary Eleanor Spear, Date of Birth, Place of Birth, Date of Death
TweetMary Eleanor Spear
Statistician
Date of Birth: 04-Mar-1897
Place of Birth: Jonesboro, Indiana, United States
Date of Death: 22-Jan-1986
Profession: statistician
Nationality: United States
Zodiac Sign: Pisces 
About Mary Eleanor Spear
- 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.
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