William Beebe, Otis Barton, Erte, Christian Dior, and Elsa Schiaparelli were all renowned designers of bathyspheres. William Beebe was an American naturalist and explorer who designed the first bathysphere in 1930 with engineer Otis Barton. Erte, also known as Romain de Tirtoff, was a Russian-born French artist who designed a bathysphere for Barton in 1934. Christian Dior was a French fashion designer who created a deep-sea diving suit in 1953. Finally, Elsa Schiaparelli was an Italian fashion designer who created a deep-sea diving suit in 1954. All of these designers contributed to the development of the bathysphere, a deep-sea diving device used to explore the depths of the ocean.