William Caspar Graustein (15 November 1888 – 22 January 1941) was an American mathematician. He graduated magna cum laude from

Harvard University Harvard University is a private Ivy League research university in Cambridge, Massachusetts. Founded in 1636 as Harvard College and named for its first benefactor, the Puritan clergyman John Harvard, it is the oldest institution of higher le ...

in 1910 and later became an instructor at Harvard University. In 1921, he married Mary Curtis Graustein (1884—1972), who was the first American woman to earn a mathematics Ph.D. (1917) from

Radcliffe College Radcliffe College was a women's liberal arts college in Cambridge, Massachusetts, and functioned as the female coordinate institution for the all-male Harvard College. Considered founded in 1879, it was one of the Seven Sisters colleges and he ...

. Mary Florence (Curtis) Graustein biography on p.213-215 of th
Supplementary Material
a
AMS
/ref> He died in an automobile accident, at the age of 52. At the time, Graustein was professor of mathematics and assistant dean at Harvard.

Bibliography

Some of his books and papers are: * ''The scientific work of Joseph Lipka'' * ''Applicability with preservation of both curvatures'' * ''Extensions of the

four-vertex theorem The four-vertex theorem of geometry states that the curvature along a simple, closed, smooth plane curve has at least four local extrema (specifically, at least two local maxima and at least two local minima). The name of the theorem derives fro ...

'' * ''Introduction to higher geometry'' * ''Differential Geometry" MacMillan Company 1935. Republished Dover 1966 2006.

References

External links

* * * 1888 births 1941 deaths 20th-century American mathematicians Harvard University alumni Harvard University faculty {{US-mathematician-stub