Alphabetical Index
Index by Year of Birth
Samuel
Pierpont Langley
* 1834
in Roxbury/Massachusetts
+ 1906 in Aiken/South Carolina
Samuel Pierpont Langley was an American astronomer, physicist,
inventor of the bolometer
(measuring the power of incident electromagnetic radiation) and
aviation pioneer.
In addition to becoming the third Secretary of the Smithsonian
Institution,
he was also a professor of astronomy at the University of
Pittsburgh,
where he was the director of the Allegheny Observatory.
2021 J. Giesen