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There is a page named "John Leonard Riddell" on Wikipedia

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  • Thumbnail for John Leonard Riddell
    John Leonard Riddell (February 20, 1807 – October 7, 1865) was a science lecturer, botanist, geologist, medical doctor, chemist, microscopist, numismatist...
    5 KB (619 words) - 19:32, 2 November 2023
  • Sir John Riddell, 13th Baronet of Riddell (1934–2010) John Carre Riddell (1809–1879), politician in colonial Victoria (Australia) John Leonard Riddell (1807–1865)...
    791 bytes (130 words) - 11:30, 30 January 2024
  • Thumbnail for Timeline of microscope technology
    to mass-produce microscopes and other optical instruments. 1850s: John Leonard Riddell, Professor of Chemistry at Tulane University, invents the first practical...
    10 KB (1,176 words) - 23:03, 22 July 2024
  • Thumbnail for Symphyotrichum oolentangiense
    Symphyotrichum oolentangiense (category Taxa named by John Leonard Riddell)
    August and October, have blue to violet rays. American botanist John Leonard Riddell originally described this species in a publication dated to April...
    10 KB (637 words) - 17:25, 17 August 2023
  • Thumbnail for Calliphysalis
    org/stable/23314732?seq=1/analyze; "The story of Physalis carpenteri begins with John Leonard Riddell, a medical doctor, inventor, and botanist best known for work in...
    4 KB (482 words) - 13:38, 12 February 2024
  • Thumbnail for Metairie Cemetery
    Rice, author John Leonard Riddell, melter and refiner of Mint 1839–1848, Postmaster 1859–1862, inventor of the binocular microscope John G. Schwegmann...
    16 KB (1,834 words) - 20:55, 6 September 2024
  • Thumbnail for Pseudoscope
    being the mirror or the prismatic. In 1853 the American scientist John Leonard Riddell (1807–1865) devised his binocular microscope, which contained the...
    4 KB (377 words) - 22:02, 3 April 2024
  • Thumbnail for Tulane University
    Lawrence Smith invented the inverted microscope. In the following year John Leonard Riddell invented the first practical microscope to allow binocular viewing...
    88 KB (8,471 words) - 16:30, 5 September 2024
  • often amongst scrub oaks. The plant is named for American botanist John Leonard Riddell, 1807 – 1865. Biota of North America Program 2014 county distribution...
    2 KB (144 words) - 08:24, 21 June 2022
  • Thumbnail for Optical microscope
    due to difficulties in configuring multiple lenses. In the 1850s, John Leonard Riddell, Professor of Chemistry at Tulane University, invented the first...
    52 KB (5,988 words) - 22:59, 21 August 2024
  • Thumbnail for History of science fiction
    can be found in the story Poe published some twenty years later. John Leonard Riddell, a Professor of Chemistry in New Orleans, published the short story...
    88 KB (10,664 words) - 03:07, 19 August 2024
  • Thumbnail for Leyden, Massachusetts
    Charles N. Davenport (1830–1882), Vermont attorney and politician John Leonard Riddell (1807–1865), noted scientist, author and politician, developed the...
    15 KB (1,758 words) - 14:42, 2 May 2024
  • anti-smoking advocate William Rehnquist, Justice on the U.S. Supreme Court John Leonard Riddell, faculty 1836–1865; microscopist, chemist, botanist, geologist, physician...
    65 KB (6,236 words) - 12:51, 4 August 2024
  • Thumbnail for List of people from New Orleans
    Spear Parmley, inventor of dental floss Mark Plotkin, ethnobotanist John Leonard Riddell, inventor of the binocular microscope Norbert Rilleaux, inventor...
    50 KB (5,658 words) - 04:47, 5 September 2024
  • Thumbnail for New Orleans Mint
    served at the Mint during the early years of operation. One was John Leonard Riddell, who served as melter and refiner at the Mint from 1839 to 1848,...
    43 KB (4,515 words) - 13:05, 16 April 2024
  • Leonard A. Wilf (born 1947) is an American businessman, the president of Garden Homes, the co-owner and vice chairman of the Minnesota Vikings football...
    7 KB (514 words) - 00:44, 16 August 2024
  • Thumbnail for Amos Eaton
    educator John Leonard Riddell — botanist, geologist and author Abram Sager — professor of zoology, botany, obstetrics, and physiology John Torrey — botanist...
    21 KB (2,279 words) - 19:19, 12 October 2023
  • Bailey, L. H. Jr (1883). "Some North American Botanists. VIII. John Leonard Riddell". Botanical Gazette. 8 (8): 269–271. doi:10.1086/325718. JSTOR 2993306...
    23 KB (2,349 words) - 20:44, 15 March 2024
  • microscopes sold across the United States. Wales assisted with John Leonard Riddell's invention of the monobjective binocular microscope, constructing...
    9 KB (902 words) - 20:24, 30 May 2024
  • indigenous to Louisiana, were named in his honor by fellow naturalist John Leonard Riddell. William Marbury Carpenter was descended from the New England Rehoboth...
    8 KB (920 words) - 19:39, 2 March 2023
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