Kruskal may refer to any of the following, of whom the first three are brothers: William Kruskal (1919–2005), American mathematician and statistician Martin David Kruskal (1925–2006), American mathematician and physicist Joseph Kruskal (1928–2010), American mathematician, statistician and computer scientist, known for Kruskal's algorithm Clyde Kruskal (born 1954), American computer scientist, son of Martin