Riddell, John Leonard, 1807-1865

found: LCCN 09-10976: Rohr, M. Abhandlungen zur geschichte des stereoskops, 1908(hdg.: Riddell, John Leonard, 1807-1867; usage: J.L. Riddell)

found: LC data base, 12-19-86(hdg.: Riddell, John Leonard, 1807-1867; usage: John Leonard Riddell; variant: J.L. Riddell)

found: Report of John L. Riddell, M.D., one of the Special Committee appointed by the last Legislature to report on the method of obtaining a complete geological survey of this state, 1837:page 3 (John L. Riddell, M.M., professor of chemistry in the Medical College of Louisiana)

found: Wikipedia, January 11, 2022(John Leonard Riddell (February 20, 1807-October 7, 1865) was a science lecturer, botanist, geologist, medical doctor, chemist, microscopist, numismatist, politician, and science fiction author in the United States. He was born in Leyden, Massachusetts, the son of John Riddell and Lephe Gates. He received his B.A. and M.A. at Rensselaer Polytechnic Institute from professor Amos Eaton and his M.D. from Cincinnati College in 1836. From 1836 until his death in 1865, he was Professor of Chemistry at the Medical College of Louisiana (now Tulane University) in New Orleans) - https://en.wikipedia.org/wiki/John_Leonard_Riddell

found: Find-a-grave, January 11, 2022(Dr. John Leonard Riddell; birth: 20 Feb 1807, Leyden, Franklin County, Massachusetts, USA; death: 7 Oct 1865; New Orleans, Orleans Parish, Louisiana, USA) - https://www.findagrave.com/memorial/14615772/john-leonard-riddell