Overview John Percy Moore (1869-1965) was a Professor of Zoology at the University of Pennsylvania from 1912 to 1939, an Assistant Curator at the Academy of Natural Sciences from 1902 to 1938, and held several positions between 1920 and 1956 at the Ludwick Institute, which offered free lectures and courses in the natural sciences. He was also a world recognized authority on leeches. During his career, Moore named six genera, 229 species, five subspecies and four varieties of polychaetous annelids, or...

Overview Most popularly known as the Father of American Vertebrate Paleontology, Joseph Leidy was also the Founder of American Parasitology, a Professor of Anatomy at the University of Pennsylvania, a pioneering protozoologist, an influential teacher of Natural History, a passionate microscopist, an accomplished scientific illustrator, and an expert on a variety of subjects. He published scientific papers on more than a thousand extinct and living protozoa, fungi and animals as well as an assortment...

Scope and Contents

Primarily comprised of 7 scrapbooks containing news clippings assembled by various members of Leidy's family, the entries pertaining to his activities between the dates of 1857 and 1891. One book is concerned only with obituary notices and funeral ceremonies; two were compiled in manuscript by Joseph Leidy, II while on a visit to Switzerland in 1910-12 and record interviews with former friends of his uncle.