A generalization of the inclusion-exclusion principle, the SchuetteNesbitt formula is named for Donald R. Schuette and Cecil Nesbitt (1912  2001).
In mathematics, the SchuetteNesbitt formula is a generalization of the inclusionexclusion principle. It is named after Donald R. Schuette and Cecil J. Nesbitt. (1912  2001) was a mathematician who was a Ph.D. student of Richard Brauer and wrote many influential papers in the early history of modular representation theory. 
