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Hartsoeker's Homunculus Sketch from Essai de Dioptrique
By: Cera R. Lawrence
| Published: Aug 14, 2008
This embryology image is a pencil sketch by Nicolaas Hartsoeker, published as part of his 1694 French-language paper entitled Essai de Dioptrique, a…
SpermatozoaSperm
Homunculus
By: Cera R. Lawrence
| Published: Aug 13, 2008
The term homunculus is Latin for "little man." It is used in neurology today to describe the map in the brain of sensory neurons in each part of the…
Spermism
By: Cera R. Lawrence
| Published: Aug 13, 2008
Spermism was one of two models of preformationism, a theory of embryo generation prevalent in the late seventeenth through the end of the eighteenth…
SpermatozoaSpermOva
Preformationism in the Enlightenment
By: Cera R. Lawrence
| Published: Aug 11, 2008
Preformationism was a theory of embryological development used in the late seventeenth through the late eighteenth centuries. This theory held that…
OvaSperm
John Spangler Nicholas (1895-1963)
By: Ellen M. DuPont
| Published: Jul 23, 2008
John Spangler Nicholas, an American biologist, was born on 10 March 1895 in Allegheny, Pennsylvania. He was the only child of Elizabeth Ellen…
PeopleBiographyMammalsAmphibians
Marie Stopes International
By: Ellen M. DuPont
| Published: Jul 22, 2008
Marie Stopes International (MSI) is a not-for-profit organization based in the United Kingdom that promotes reproductive and sexual health. It grew…
Organizationpublic healthOrganizationsReproductionReproductive Rights
The Mothers' Clinic
By: Ellen M. DuPont
| Published: Jul 22, 2008
The Mothers' Clinic for Constructive Birth Control was established on 17 March 1921. The first family planning clinic ever established in Great…
OrganizationContraceptionOrganizationsReproductionReproductive Rights
Marie Charlotte Carmichael Stopes (1880-1958)
By: Ellen M. DuPont
| Published: Jul 10, 2008
Marie Charlotte Carmichael Stopes was born in Edinburgh, Scotland, on 15 October 1880 to Charlotte Carmichael Stopes, a suffragist, and Henry Stopes…
Peoplepublic healthethicsReproductionBiography