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. Provided by Wikipedia
Showing 1 - 2 results of 2 for search 'Spear, Mary Eleanor', query time: 0.01s Refine Results
  1. 1
    Charting statistics /
    by Spear, Mary Eleanor
    Published 1952
  2. 2
    Charting Statistics
    by Spear, Mary Eleanor
    Published 1952
    Printed Book
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