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Among his myriad scientific and artistic contributions, Leonardo da Vinci's work in embryology was groundbreaking. He observed and diagramed the…
LiteratureLeonardo, da Vinci, 1452-1519Human DevelopmentPublicationsFetusLeonardo da Vinci's embryological drawings of the fetus in the womb and his accompanying observational annotations are found in the third volume of…
LiteratureHuman DevelopmentFetusThroughout his long and fruitful career John Tyler Bonner has made great strides in understanding basic issues of embryology and developmental-…
LiteratureMorphogenesisPublicationsThis scrapbook is part of the Harvard University Library's collection on "Working Women, 1800-1930," which is itself part of the Open Collections…
LiteratureOrganizationsethicsReproductionmedicineThe "Humanae Vitae," meaning "Of Human Life" and subtitled "On the Regulation of Birth," was an encyclical promulgated in Rome, Italy, on 25 July…
LiteratureReproductive RightsreligionReproductionCatholicismAs various societies around the world began legalizing abortive procedures or liberalizing government stances on abortion, the Roman Catholic Church'…
LiteraturereligionReproductionCatholicismAbortion"Effraenatam," the brain-child of Pope Sixtus V, was released as a papal bull in the year 1588. Papal bulls are formal declarations issued by the…
LiteratureSixtus V, Pope, 1520-1590religionReproductionCatholicismThe encyclical entitled "Evangelium Vitae," meaning "The Gospel of Life," was promulgated on 25 March 1995 by Pope John Paul II in Rome, Italy. The…
LiteratureJohn Paul II, Pope, 1920-2005religionReproductionCatholicismThe principal work of St. Thomas Aquinas, the Summa Theologica is divided into three parts and is designed to instruct both beginners and experts in…
LiteratureThomas, Aquinas, Saint, 1225?-1274religionCatholicismHuman DevelopmentConrad Hal Waddington's Organisers and Genes, published in 1940, is a summary of available research and theoretical framework for many concepts…
LiteratureOrganizers, EmbryonicPublicationsdifferentiation