John Littleton was born on 1957 in Madison, Wisconsin and Kate Vogel was born on 1956 in Cambridgeshire, England. They are American studio glass artists who have worked collaboratively since 1979. The artists' earliest collaborations in glass were the bag forms for which they are well known today. Since 2000 their work has included a series of arms and hands cast in amber-colored glass. In recent years Littleton and Vogel have also become known for their series of functional glass and wrought iron side tables.