Scientists from Chicago

Daniel J. Terra (June 8, 1911 – June 28, 1996) was a scientist, businessman, and art collector. A first-generation Italian-American, Terra earned a chemical engineering degree from Pennsylvania State University in 1931, and founded Lawter Chemicals in Chicago in 1940. The success of his global enterprise enabled him to pursue his cultural interests, assembling an art collection and participating in several Chicago arts institutions.

Jean Felix Piccard (January 28, 1884 in Basel, Switzerland – January 28, 1963 in Minneapolis, Minnesota), also known as Jean Piccard, was a Swiss-born American chemist, engineer, professor and high-altitude balloonist. He invented clustered high-altitude balloons, and with his wife Jeannette, the plastic balloon. Piccard's inventions and co-inventions are used in balloon flight, aircraft and spacecraft.