- for electromagnetic radiation incident upon a surface, a value of energy per unit area equal to one calorie per square centimeter.
- York, 1st Duke of.
- U.S. astronomer, physicist, and pioneer in aeronautics.
- Langland, William.
- a city in SW British Columbia, in SW Canada, near Vancouver.
- a mountain in E California, in the Sierra Nevada. 14,025 feet (4,280 meters).
- Samuel Pierpont. 1834–1906, US astronomer and physicist: invented the bolometer (1878) and pioneered the construction of heavier-than-air flying machines