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Ernest Everett Just (1883-1941)

Ernest Everett Just was an early twentieth century American experimental embryologist involved in research at the Marine Biological Laboratory (MBL) at Woods Hole, Massachusetts, and the Stazione Zoologica in Naples, Italy. Just was known for simple but elegant experiments that supported the "fertilizing" theory of Frank R. Lillie and served as an antagonist to Jacques Loeb's work with artificial parthenogenesis.

Format: Articles

Subject: People

Anne Laura Dorinthea McLaren (1927-2007)

Anne Laura Dorinthea McLaren was a developmental biologist known for her work with embryology in the twentieth century. McLaren was the first researcher to grow mouse embryos outside of the womb. She experimented by culturing mouse eggs and successfully developing them into embryos, leading to advancements with in vitro fertilization.

Format: Articles

Subject: People

José Pedro Balmaceda (1948- )

José Pedro Balmaceda was born 22 August 1948 in Santiago, Chile. His mother Juanita owned a women's boutique in the city and his father José was a successful owner of several timber mills. He grew up with five sisters who remained in Santiago all their lives. Balmaceda attended the college preparatory school San Ignatius where he met Sergio Stone, his future partner at the Center for Reproductive Health fertility clinic in the University of California Irvine Medical Center.

Format: Articles

Subject: People, Reproduction

Wilhelm August Oscar Hertwig (1849-1922)

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 Carl Hertwig in Hessen, Germany. After his brother Richard was born the family moved to Muhlhausen in Thuringen where the boys were educated. The two brothers later attended the university in Jena from 1868 to 1888 and studied under Ernst Haeckel, who later convinced Hertwig to leave chemistry and pursue medicine.

Format: Articles

Subject: People

Ricardo Hector Asch (1947- )

Ricardo Hector Asch was born 26 October 1947 in Buenos Aires, Argentina, to a lawyer and French professor, Bertha, and a doctor and professor of surgery, Miguel. Asch's middle-class family lived among the largest Jewish community in Latin America, where a majority of males were professionals. After his graduation from National College No. 3 Mariano Moreno in Buenos Aires, Asch worked as a teaching assistant in human reproduction and embryology at the University of Buenos Aires School of Medicine where he received his medical degree in 1971.

Format: Articles

Subject: Ethics, People

Sergio Cereceda Stone (1942- )

Sergio Cereceda Stone was born 16 April 1942 in the coastal city of Valparaiso, Chile. Stone's mother Luz was a housewife and caretaker for Sergio and his younger brother Lionel; his father Sergio served among the country's twenty appellate court judges. In the early 1950s Stone's father relocated the family to Santiago to further his law career.

Format: Articles

Subject: People, Ethics, Reproduction

Mary Warnock (1924–2019 )

Baroness Mary Warnock of Weeke, a philosopher and crossbench member and Life Peer of the United Kingdom's House of Lords, participated in several national British committees of inquiry that dealt with ethical and policy issues surrounding animal experimentation, pollution, genetics, and euthanasia to educational policies for children with special needs. One of these was the Committee of Inquiry into Human Fertilization and Embryology, of which Warnock was the chair.

Format: Articles

Subject: People

Landrum Brewer Shettles (1909-2003)

Landrum Brewer Shettles is remembered as an important contributor to early in vitro fertilization research in the United States as well as a prolific author on the subject of choosing a child's sex before conception. Shettles was born in Pontotoc County, Mississippi on 21 November 1909 to Sue Mounce and Brazil Manly. Shettles trained and worked as a gynecologist at Columbia University Presbyterian Medical Center, after receiving his MD in 1943 from Johns Hopkins University.

Format: Articles

Subject: People, Reproduction

Robert Geoffrey Edwards (1925-2013)

Robert Geoffrey Edwards worked with Patrick Christopher Steptoe to develop in-vitro fertilization (IVF) techniques during the 1960s and 1970s in the United Kingdom. Louise Brown, the world' s first "test-tube baby," was born as a result of Edwards and Steptoe's IVF techniques in 1978, and since then more than four million children have been born using IVF techniques. Publicity and controversy accompanied Edwards and Steptoe's work as conservative religious institutions expressed concern over the morality of the IVF procedure.

Format: Articles

Subject: People, Reproduction

Georgeanna Seegar Jones (1912-2005)

Georgeanna Seegar Jones was a reproductive endocrinologist who created one of America' s most successful infertility clinics in West Virginia and eventually, along with her husband Howard W. Jones MD, performed the first in vitro fertilization in America, leading to the birth of Elizabeth Jordan Carr. Jones was born in Baltimore, Maryland, on 6 July 1912. Her father, Dr. John King Beck Emory Seegar, was a practicing physician at the time working in the field of obstetrics.

Format: Articles

Subject: People, Reproduction

David Michael Rorvik (1944–)

David Michael Rorvik is a science journalist who publicized advancements in the field of reproductive medicine during the late twentieth century. Rorvik wrote magazine articles and books in which he discussed emerging methods and technologies that contributed to the progression of reproductive health, including sex determination, in vitro fertilization, and human cloning. During that time, those topics were controversial and researchers often questioned Rorvik’s work for accuracy.

Format: Articles

Subject: People

Howard Wilber Jones Jr.

Howard Wilber Jones Jr. and his wife, Georgeanna Seegar Jones, developed a method of in vitro fertilization and helped create the first baby in the US using that method. Though the first in vitro baby was born in England in 1978, Jones and his wife's contribution allowed for the birth of Elizabeth Carr on 28 December 1981. Jones, a gynecologist and an obstetrician, researched human reproduction for most of his life.

Format: Articles

Subject: People, Reproduction

Jeffrey Keenan (1961- )

Jeffrey Keenan is the Director of the Southeastern Center for Fertility and Reproductive Medicine and the main developer behind the National Embryo Donation Center (NEDC) in Knoxville, Tennessee. This non-profit organization focuses on embryo donation and embryo adoption.

Format: Articles

Subject: People, Reproduction

Zhang Lizhu (1921- )

Zhang Lizhu is a Chinese gynecologist and researcher. For most of her career, she worked in the Peking Medical College Third Hospital, renamed in 2000, Peking University Third Hospital. There, she led a team of researchers and physicians in the study of human in vitro fertilization (IVF) and embryo transfer (ET) technology. Zhang and her colleagues contributed to the birth of the first test-tube baby in Mainland China in 1988.

Format: Articles

Subject: People, Reproduction

Ernest John Christopher Polge (1926-2006)

Twentieth-century researcher Ernest John Christopher Polge studied the reproductive processes of livestock and determined a method to successfully freeze, thaw, and utilize viable sperm cells to produce offspring in animals. In 1949, Polge identified glycerol as a cryoprotectant, or a medium that enables cells to freeze without damaging their cellular components or functions. Several years later, Polge used glycerol in a freezing process called vitrification, which enabled him to freeze poultry sperm, thaw that sperm, and use it to fertilize vertebrate embryos.

Format: Articles

Subject: People

Patrick Christopher Steptoe (1913-1988)

Patrick Christopher Steptoe was a British gynecologist responsible for major advances in gynecology and reproductive technology. Throughout his career Steptoe promoted laparoscopy, a minimally invasive surgical technique that allows a view inside the abdominal cavity, successfully advancing its usefulness in gynecology. After partnering with embryologist Robert Edwards in 1966, the pair performed the first in vitro fertilization in humans.

Format: Articles

Subject: People, Reproduction

Pope Pius XII (1876-1958)

Pope Pius XII was born Eugenio Maria Giuseppi Giovanni Pacelli on 2 March 1876 in Rome, Italy, to Virginia and Filippo Pacelli. Known for his oft-disputed role in the Roman Catholic Church's approach to the Nazis and World War II, Pope Pius XII also contributed a number of important documents regarding conception, fertility, abortion, and reproductive control to the Vatican's collection of writings and doctrine on procreation.

Format: Articles

Subject: People, Religion, Reproduction

Lydia Estes Pinkham (1819–1883)

Lydia Estes Pinkham invented and sold Lydia Pinkham’s Vegetable Compound, a medicinal tonic used to treat menstrual discomfort and promote female reproductive health in general, in the US during the nineteenth century. Pinkham also founded Mrs. Lydia E. Pinkham Medicine Company, a business that sold natural remedies for women’s health issues. Throughout her life, Pinkham acted as an authority on female wellness, writing medical pamphlets about female anatomy and reproductive processes.

Format: Articles

Subject: People

Theophilus Shickel Painter (1889-1969)

Theophilus Shickel Painter studied the structure and
function of chromosomes in the US during in the early to mid-twentieth century. Painter worked at
the University of Texas at Austin in Austin, Texas. In the 1920s
and 1930s, Painter studied the chromosomes of the salivary gland
giant chromosomes of the fruit fly (Drosophila
melanogaster), with Hermann J. Muller. Muller and Painter
studied the ability of X-rays to cause changes in the chromosomes
of fruit flies. Painter also studied chromosomes in mammals.

Format: Articles

Subject: People

David Edwin Wildt (1950- )

David Edwin Wildt developed and applied assisted reproductive technologies to conserve rare and endangered wildlife species in the US during the twentieth and twenty-first centuries. He advocated genome resource banks to help preserve biodiversity, and he advocated for practical ethics to guide wildlife reproductive biologists when they use technology and environmental planning. Wildt often focused on the cheetah (Acinonyx jubatus), but he researched greater than fifty vertebrate species.

Format: Articles

Subject: People

Stazione Zoologica Anton Dohrn, Naples, Italy

The Stazione Zoologica Anton Dohrn (Anton Dohrn Zoological Station) is a public research institute focusing on biology and biodiversity. Hereafter called the Station, it was founded in Naples, Italy, in 1872 by Anton Dohrn. The type of research conducted at the Station has varied since it was created, though initial research focused on embryology. At the turn of the twentieth century, researchers at the Station established the sea urchin (Echinoidea) as a model organism for embryological research.

Format: Articles

Subject: Organizations, People, Places

Margaret Higgins Sanger (1879-1966)

Margaret Higgins Sanger advocated for birth control in the United States and Europe during the late nineteenth and early twentieth centuries. Although people used contraceptives prior to the twentieth century, in the US the 1873 Comstock Act made the distribution of information relating to the use of contraceptives illegal, and similar state-level Comstock laws also classified discussion and dissemination of contraceptives as illegal.

Format: Articles

Subject: People, Reproductive Health Arizona, Reproduction, Outreach

Franz Julius Keibel (1861-1929)

Franz Keibel studied the embryos of humans and other animals in Europe at the turn of the twentieth century. He lived and worked in several different parts of Germany and France. Keibel drew illustrations of embryos in many stages of development. Keibel used these illustrations, which he and others in the scientific community called normal plates, to describe the development of organisms in several species of vertebrates.

Format: Articles

Subject: People

Hans Spemann (1869-1941)

Hans Spemann was an experimental embryologist best known for his transplantation studies and as the originator of the "organizer" concept. One of his earliest experiments involved constricting the blastomeres of a fertilized salamander egg with a noose of fine baby hair, resulting in a partially double embryo with two heads and one tail.

Format: Articles

Subject: People

Min Chueh Chang (1908-1991)

As one of the researchers involved in the development of the oral contraceptive pill, Min Chueh Chang helped to revolutionize the birth control movement. Although best known for his involvement with "the pill," Chang also made a number of discoveries throughout his scientific career involving a range of topics within the field of reproductive biology. He published nearly 350 articles in scientific journals.

Format: Articles

Subject: People, Reproduction

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