Description: (American Aviation Pioneer, Astronomer and Physicist Known for Inventing 'Bolometer')
Samuel Pierpont Langley was an influential American aviation pioneer, astronomer, and physicist credited with inventing the bolometer. He served as the third secretary of the Smithsonian Institution and was a professor of astronomy at the University of Pittsburgh. Langley also held the position of director at the Allegheny Observatory. His advancements in aviation technology and significant contributions to the field of astronomy established him as a prominent figure in the scientific community from the late 19th to the early 20th centuries.