Ronald Bertram Aloysius "R. B." Greaves III (November 28, 1943 - September 27, 2012) was an American singer who had chart success in 1969 with the pop single "Take a Letter Maria". A number two hit on the Billboard Hot 100 chart, this single sold one million copies, and it earned gold record certification from the Recording Industry Association of America. Greaves also had a Top 40 pop hit one year later with "(There's) Always Something There to Remind Me".