Frank Ruskey

Frank Ruskey is a combinatorialist and computer scientist, and professor at the University of Victoria. His research involves algorithms for exhaustively listing discrete structures, combinatorial Gray codes, Venn and Euler diagrams, combinatorics on words, and enumerative combinatorics. Frank Ruskey is the author of the Combinatorial Object Server (COS), a website for information on and generation of combinatorial objects. Provided by Wikipedia