Out of the members of the Supremes who sang "A Breathtaking Guy," who remained in the group the longest?
A Breathtaking Guy: "A Breathtaking Guy" is a 1963 song written and produced by Smokey Robinson and released first by Motown singing group The Supremes (1963) and later by The Marvelettes (1971). A Breathtaking Guy:  All three Supremes members - Diana Ross, Florence Ballard and Mary Wilson - sung the chorus with the original title together. Mary Wilson (singer): Mary Wilson (born March 6, 1944) is an American vocalist, best known as a founding member and longest member of the Supremes.
Mary Wilson