author
1868–1909
Remembered as a pioneering American veterinarian and educator, this early expert on animal disease helped shape modern veterinary public health in the United States. His writing focused especially on livestock health, tuberculosis, and the growing scientific side of veterinary medicine.

by United States. Bureau of Animal Industry, V. T. (Vickers T.) Atkinson, Dr. (William) Dickson, A. (Adolph) Eichhorn, Richard W. (Richard West) Hickman, James Law, (Dr.) (William Herbert) Lowe, C. Dwight (Charles Dwight) Marsh, John R. (John Robbins) Mohler, A. J. (Alexander James) Murray, Leonard Pearson, Brayton Howard Ransom, M. R. (Milton R.) Trumbower, Dr. (Benjamin Tilghman) Woodward

by United States. Bureau of Animal Industry, W. H. (William Heyser) Harbaugh, Rush Shippen Huidekoper, Charles B. Michener, Leonard Pearson
Born in Evansville, Indiana, on August 17, 1868, Leonard Pearson studied at Cornell University before earning his veterinary degree at the University of Pennsylvania. He went on to build a reputation as a veterinary educator, bacteriologist, and public-health-minded reformer at a time when veterinary medicine was becoming more scientific and more central to agriculture.
Pearson became a professor and later dean of the University of Pennsylvania's Veterinary School, and he also served as Pennsylvania's state veterinarian. Sources from Penn and Cornell credit him with helping raise the school's standing and with playing an important role in controlling livestock disease, especially bovine tuberculosis.
He died on September 20, 1909, in Newfoundland, still only 41 years old. Although his life was short, his books, reports, and teaching left a lasting mark on veterinary medicine in the United States.