Chris Okasaki

Chris Okasaki, Ph.D. is an associate professor of computer science at the United States Military Academy. He authored Purely Functional Data Structures (1998), based on a doctoral dissertation of the same name. He obtained a Ph.D. at Carnegie Mellon University in 1996 under advisers Peter Lee, Robert Harper, Daniel Sleator, and Robert Tarjan.[1] Prior to his current academic appointment, he taught at Columbia University and the University of Glasgow.[2]

Purely functional data structuresEdit

Dr. Okasaki published his doctoral dissertation as a book in 1998. It approaches the topic of data structures from a functional programming perspective, describing techniques for designing immutable structures that incorporate persistence.[3]


  1. ^ Okasaki, Chris (1996). Purely Functional Data Structures (PDF) (PhD thesis). Pittsburgh, PA: Carnegie Mellon University. Retrieved 8 January 2017.
  2. ^ "Dr. Chris Okasaki". United States Military Academy at West Point. Retrieved 18 December 2020.
  3. ^ Okasaki, Chris (1998). Purely functional data structures (1 ed.). Cambridge, U.K.: Cambridge University Press. ISBN 9780521631242.