Jean Tennyson, also known by her married names Jean Tennyson Dreyfus and Jean Tennyson Boissevain, was an American soprano, musical theatre actress, philanthropist, and radio personality. She began her career performing in musicals and cabaret shows in Chicago; making her stage debut in 1919. She made her Broadway debut in the chorus of Albert Von Tilzer's 1923 musical Adrienne; ultimately taking over the title role four months into the shows run and performing that part on tour in 1924. After starring in the Broadway musical revue The Earl Carroll Vanities in 1928 and 1929, her career shifted towards opera and work as a concert soprano. She was a leading soprano in operas and concerts internationally from the 1930s through the 1940s, performing on the stages of opera houses like La Scala, La Fenice, the Vienna Volksoper, the Chicago Civic Opera and the San Francisco Opera.

Camille Edouard Dreyfus was a Swiss chemist. He and his brother Henri Dreyfus invented Celanese, an acetate yarn. He founded The Camille and Henry Dreyfus Foundation in honour of his brother.