- More details for "director of the Allegheny Observatory":
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- male, deceased (1906)
- Samuel Pierpont Langley (August 22 1834, Roxbury, Massachusetts (near Boston) - February 27 1906, Aiken, South Carolina) was an American...
- male
- Samuel P. Langley, secretary of the Smithsonian Institution from 1887 to 1906, experimented for many years with model gliders and built successful...
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