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History : Stanford Block "S"
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The Plain Block "S"
William Laughlin McLaine, Class of 1896, designed the Block "S." McLaine was a pitcher on the baseball team and the Block "S" was used almost exclusively on sports related items for many years following its first appearance. The first Block "S" was worn in 1893 and is evident on various athletic uniforms and sweaters.
Football Dandy
Football player, 1897
Three Women
Stanford women proudly wore the Block "S"
Senior Week, 1914
Varsity women pose in their Block "S" sweaters, 1914
The Block "S" with El Palo Alto
Although a version of the Block "S" with tree appears to have been used by the Stanford Alumni Association as early as 1931, it was not widely used in its current design until its appearance on uniforms for the men's soccer team in 1995. By 1999 the use of the Block "S" with tree had extended beyond athletics and was evident on Stanford identification cards as well as on memorabilia.
Look for the Sign of the Tree (1932 ad with hotels)
From advertisement in Stanford Illustrated Review, November, 1931