. . . . . . . . . "1094509958"^^ . . "3606"^^ . . . . . . . "Yale University"@en . . . . "John Spangler Nicholas"@en . . . . . . . . . "Kintnersville, Pennsylvania, U.S."@en . . . . . . "John Spangler Nicholas"@en . . "1895-03-10"^^ . . . . . . "John Spangler Nicholas (March 10, 1895 \u2013 September 11, 1963) was an American embryologist and a professor of zoology at Yale University. He contributed to experimental techniques for the study of embryology through transplants, the early stage development of teleost and mammalian zygotes."@en . . "John Spangler Nicholas"@en . . . . . . . . . . "70111934"^^ . . "1895-03-10"^^ . . "1963-09-11"^^ . . . . "John Spangler Nicholas (March 10, 1895 \u2013 September 11, 1963) was an American embryologist and a professor of zoology at Yale University. He contributed to experimental techniques for the study of embryology through transplants, the early stage development of teleost and mammalian zygotes."@en .