[4][2] He obtained his doctorate at the University of Michigan in 1948 advised by Arthur Herbert Copeland.
[12][13] He became an emeritus professor at Duke, but continued to take an active role in research for many years.
[14][15] The Woodbury matrix identity used in linear algebra is named after him.
An early overview of some of its uses has been given by Hager,[20] see also the book "Woodbury Matrix Identity".
[21] These methods are taught in many mathematics courses on linear algebra.