Charles Leander Doolittle
Biography
Charles Leander Doolittle, 1843-1919.
Doolittle was Professor of Mathematics and Astronomy at Lehigh from 1875 until 1895. Then he went to University of Pennsylvania as the Director of Flower Observatory. During his time at Lehigh, the university and Sayre Observatory gained an international reputation due to his astronomical research. In 1912, Lehigh honored him with an Honorary LLD.
Results of observation
Charles L. Doolittle. Results of observation with the zenith telescope of the Sayre Observatory, from January 19, 1894, to August 19, 1895. Read before the American Philosophical Society, October 19, 1900. Philadelphia : American Philosophical Society, 1901.
Progress in astronomy
Charles L. Doolittle. Recent progress in astronomy; an address delivered before the Alumni Association of Lehigh University, June 17, 1885. Lehigh University, 1885.
Treatise
Charles L. Doolittle. A treatise on practical astronomy, as applied to geodesy and navigation. New York, J. Wiley & Sons, 1885.