Robert Emmett McGrath was an American actor, singer, musician and children's author best known for being one of the founding cast members of Sesame Street a children's television show he was on for nearly 50 years. McGrath was born in Ottawa, Illinois, he showed musical talent at an early age and his mother would play piano whilst he sang. His mother enrolled him into Roxy theatre' s Amature Program where he came in 2nd. In 1954 he graduated from University of Michigan and soon after that he was... moreRobert Emmett McGrath was an American actor, singer, musician and children's author best known for being one of the founding cast members of Sesame Street a children's television show he was on for nearly 50 years. McGrath was born in Ottawa, Illinois, he showed musical talent at an early age and his mother would play piano whilst he sang. His mother enrolled him into Roxy theatre' s Amature Program where he came in 2nd. In 1954 he graduated from University of Michigan and soon after that he was enrolled in the US Army where he spent 2 years in German performing for the Seventh Army Symphony Orchestra. In the 1960s he came in the NBC TV show sing along with Mitch and he became a successful folk singer in Japan. From 1969 to 2016 McGrath played Bob Johnson on Sesame Street making him one of the two long lasting human characters on the series since its inception. He also wrote many children's book including Uh Oh!Gotta Go!.