Now showing items 988-1007 of 1026

    • Walter Edward Dandy (1886-1946) 

      Bohnenberger, Alexandra
      Walter Edward Dandy studied abnormalities in the developing human brain in the United States in the twentieth century. He collaborated with pediatrician Kenneth Blackfan to provide the first clinical description of ...
    • Walter Jakob Gehring (1939-2014) 

      Brinkman, Joe (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2014-12-22)
      Walter Jakob Gehring discovered the homeobox, a DNA segment found in a specific cluster of genes that determine the body plan of animals, plants, and fungi. Gehring identified the homeobox in 1983, with the help of colleagues ...
    • Walter Stanborough Sutton (1877-1916) 

      Mishra, Abhinav (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2014-06-27)
      Walter Stanborough Sutton studied grasshoppers and connected the phenomena of meiosis, segregation, and independent assortment with the chromosomal theory of inheritance in the early twentieth century in the US. Sutton ...
    • Warren Harmon Lewis (1870-1964) 

      Buettner, Kimberly A. (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2012-05-08)
      As one of the first to work at the Carnegie Institution of Washington Department of Embryology, Warren Harmon Lewis made a number of contributions to the field of embryology. In addition to his experimental discoveries on ...
    • Warren Tay (1843–1927) 

      Nardi, Tiffany
      The arterial switch operation, also called the Jatene procedure, is an operation in which surgeons redirect the flow of blood through abnormal hearts. In 1975, Adib Jatene conducted the first successful arterial switch ...
    • Washington University in St. Louis 

      Navis, Adam R. (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2012-05-08)
      Washington University in St. Louis served as the backdrop for many scientific discoveries, including that of nerve growth factor (NGF). Many of the accomplishments in embryology at Washington University can be attributed ...
    • Weber v. Stony Brook Hospital (1983) 

      Resnik, Jack (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2012-05-10)
      The New York Court of Appeals' 1983 case Weber v. Stony Brook set an important precedent upholding the right of parents to make medical decisions for newborns born with severe congenital defects. A pro-life New York attorney, ...
    • Webster v. Reproductive Health Services (1989) 

      Abboud, Carolina J.
      In the 1989 case Webster v. Reproductive Health Services, the US Supreme Court upheld the constitutionality of a Missouri law regulating abortion care. The Missouri law prohibited the use of public facilities, employees, ...
    • What Every Girl Should Know (1916), by Margaret Sanger 

      Malladi, Lakshmeeramya
      What Every Girl Should Know was published in 1916 in New York City, New York, as a compilation of articles written by Margaret Sanger from 1912 to 1913. The original articles appeared in the newspaper New York Call, under ...
    • What Every Mother Should Know (1914), by Margaret Sanger 

      Malladi, Lakshmeeramya
      What Every Mother Should Know was published in 1914 in New York City, New York, as a compilation of newspaper articles written by Margaret Sanger in 1911. The series of articles informed parents about how to teach their ...
    • The Whelan Method of Sex Selection 

      Blight, Alysse
      The Whelan Method of Sex Selection is a method for increasing a couple’s probability of conceiving an infant of the desired sex through timing intercourse. Elizabeth Whelan, a public health researcher, suggested that couples ...
    • Where Are My Children? (1916) 

      Kim, Grace
      Where Are My Children? is an anti-abortion silent film released in the United States on 16 April 1916. The film was directed by Lois Weber and Phillips Smalley and produced by Universal Film Manufacturing Company/Lois Weber ...
    • Whitner v. South Carolina (1997) 

      Tantibanchachai, Chanapa (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2014-11-30)
      In the case Whitner v. South Carolina in 1997, the South Carolina State Supreme Court defined the concept of a child to include viable fetuses. This allowed grounds for prosecution of a pregnant womanÕs prenatal activity ...
    • Whole Woman's Health v. Hellerstedt (2016) 

      Abboud, Carolina J.
      In the 2016 case Whole Woman's Health v. Hellerstedt, the US Supreme Court ruled unconstitutional the Texas requirements that abortion providers have admitting privileges at local hospitals and that abortion facilities ...
    • Wilhelm August Oscar Hertwig (1849-1922) 

      Brind'Amour, Katherine; Garcia, Benjamin (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2012-05-10)
      Wilhelm August Oscar Hertwig contributed to embryology through his studies of cells in development and his discovery that only one spermatozoon is necessary to fertilize an egg. He was born 21 April 1849 to Elise Trapp and ...
    • Wilhelm Friedrich Phillip Pfeffer (1845-1920) 

      Parker, Sara (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2014-11-30)
      Wilhelm Friedrich Phillip Pfeffer studied plants in Germany during the late nineteenth and early twentieth centuries. He started his career as an apothecary, but Pfeffer also studied plant physiology, including how plants ...
    • Wilhelm His, Sr. (1831-1904) 

      Buettner, Kimberly A. (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2012-05-10)
      Wilhelm His, Sr. was born on 9 July 1831 in Basel, Switzerland, to Katharina La Roche and Eduard His. He began his medical studies at Basel in 1849 and later transferred to the University of Bern during the winter semester ...
    • Wilhelm Johannsen's Genotype-Phenotype Distinction 

      Peirson, B. R. Erick (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2013-03-18)
      Wilhelm Johannsen in Denmark first proposed the distinction between genotype and phenotype in the study of heredity in 1909. This distinction is between the hereditary dispositions of organisms (their genotypes) and the ...
    • Wilhelm Ludvig Johannsen (1857-1927) 

      Peirson, B. R. Erick (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2013-03-18)
      Wilhelm Ludvig Johannsen studied plants and helped found the field of genetics, contributing methods and concepts to the study of heredity around the turn of the twentieth century in Denmark. His experiments on heredity ...
    • Wilhelm Roux (1850-1924) 

      Kearl, Megan (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2012-05-10)
      Wilhelm Roux was a nineteenth-century experimental embryologist who was best known for pioneering Entwicklungsmechanik, or developmental mechanics. Roux was born in Jena, Germany, on 9 June 1850, the only son of Clotilde ...