Oliver Oldman, Expert in International Tax, 1920-2008 (Harvard Law School press release):

Oliver Oldman ‘53, Learned Hand Professor of Law Emeritus, died on December 5, 2008, at the age of 88. Educated at Harvard College (S.B. 1942) and the Harvard Law School (LL.B. 1953), Oldman taught at the Law School from 1959 to 1993. He directed the International Tax Program from 1964 to 1989, and the East Asian Legal Studies program from 1980 to 1990. Even after retirement, he maintained an office at the Law School and continued his work until illness precluded his commute in late 2008.

See this tribute by William Alford and Mark Ramseyer.  (Hat Tip: Richard Ainsworth.)