Anniversaries in 1970 of Interest to Statisticians

Brief recognition is given to bicentennials of the death of James Stirling (1692.1770) and birth of Ferdinand Rudolph Hassler (1770.1843); to sesquicentennials of the publication of the 3rd definitive edition of Laplace's Théorie analytique des probabilités, and of the births of William Chauvenet (1820.1870) and Isaac Todhunter (1820.1884); to centennials of the births of Louis Bachelier (1870.1946) and Jean Perrin (1870.1942); and to the semicentennial of the initial publication (1920) of Metron, an International Review of Statistics.