The following is probably the best-known result bearing his name: http://www.scholarpedia.org/article/Rao-Blackwell_theorem http://www.scholarpedia.org/article

The following is probably the best-known result bearing his name: http://www.scholarpedia.org/article/Rao-Blackwell_theorem http://www.scholarpedia.org/article/Rao-Blackwell_theorem