Thomas Edmondson: 30th June

 Thomas Edmondson ( 1792)  was the inventor of the Edmondson railway ticket.

Pierre-Paul Riquet: 29th June

 Pierre-Paul Riquet, a French civil engineer, was born  in either 1604 or 1609.  Riquet became quite rich as a fermier général (tax collector) in southeastern France, but he used his wealth to finance the greatest engineering project of the 17th century, the building of a canal that connected the Mediterranean Sea to Toulouse, which sat on a navigable river, the Garonne, that ran to the Bay of Biscay and the Atlantic Ocean.

Frances Saunders: 28th June

 Dr Frances Saunders CB FREng CEng CPhys FinstP,  President Institute of Physics,  Formerly Chief Executive, Defence Science and Technology Laboratory (Dstl) 

Kevin Anderson: 27th June

Kevin Anderson (born 1962) says he holds a joint chair between the School of Engineering at the University of Manchester and the Centre for Environment and Development Studies (CEMUS) at Uppsala University. He recently completed two years as the Zennström professor of climate change leadership at Uppsala and previously held the role of director of the Tyndall Centre for Climate Change Research. Kevin is research active with publications in Science, Nature and Nature Geosciences.

William Thomson: 26th June

 William Thomson, 1st Baron Kelvin,  was an Irish-Scottish mathematician, mathematical physicist and engineer born in Belfast in 1824. Temperatures are stated in units of kelvin in his honour. 

Walther Hermann Nernst: 25th June

 Walther Hermann Nernst (born in 1864) was a German physical chemist, who was awarded the 1920 Nobel Prize for Chemistry for his work in the field of thermodynamics. He developed the Third Law of Thermodynamics, which defines entropy.

Claudia Sheinbaum: 24th June

 Claudia Sheinbaum (born 1962) is a Mexican politician and environmental engineer who is the President-elect of Mexico. She is the first woman and the first Jewish person to be elected to the post. Sheinbaum is also known for her scientific research and policy advocacy on matters of energy efficiency, sustainability, and the environment. She was one of the scientists and policymakers who shared the 2007 Nobel Prize for Peace for their work on the United Nations Intergovernmental Panel on Climate Change (IPCC).

Verena Holmes: 23rd June

Verena Holmes (1889) was an English mechanical engineer and multi-field inventor, the first woman member elected to the Institution of Mechanical Engineers (1924) and the Institution of Locomotive Engineers (1931), and was a strong supporter of women in engineering. She was one of the early members of the Women's Engineering Society, and its president in 1931. She was the first practising engineer to serve as president of the society. 

Ada Yonath: 22nd June

 Ada Yonath (born 1939) is an Israeli crystallographer and Nobel laureate in Chemistry, best known for her pioneering work on the structure of ribosomes. She is the current director of the Helen and Milton A. Kimmelman Center for Biomolecular Structure and Assembly of the Weizmann Institute of Science. 

David Beerling: 21st June

David Beerling was born in 1965 and is the Director of the Leverhulme Centre for Climate change mitigation and Sorby Professor of Natural Sciences at the University of Sheffield.

Mary Calvert: 20th June

Mary Ross Calvert (born 1884) was an American astronomical computer and astrophotographer. She started as her uncle Edward Emerson Barnard's assistant and ended publishing  their work that catalogued over 300 dark objects 

Erna Hoover: 19th June

Erna Schneider Hoover (born 1926, nee Schneider)  is an American mathematician notable for inventing a computerized telephone switching method which "revolutionized modern communication"

Alice Schafer: 18th June

Alice Turner Schafer (born 1915, nee Turner) was an American mathematician. She was one of the founding members of the Association for Women in Mathematics in 1971

She studied at  University of Richmond, where women were not allowed in the library and they had to make a request for a book which they then had to study in the "women's reading room". After three years of  primary school teaching she was awarded a fellowship to enable her to undertake postgraduate study at the University of Chicago.

She taught in a number of universities and retired three times, but returned to different establishments for her love of teaching.

Schafer was one of the founding members of the Association for Women in Mathematics in 1971 and she was elected as the second President serving from 1973-75. In 1990 the Association for Women in Mathematics established the Alice T Schafer Mathematics Prize in her honour. 

In January 1998, the Mathematical Association of America awarded the Yueh-Gin Gung and Dr Charles Y Hu Award for Distinguished Service to Mathematics to Alice Schafer. First presented in 1990, this is the Mathematical Association of America's most prestigious award, given in recognition of distinguished service to the mathematical community. 

She died in 2009

Material lifted from MacTutor at the University of St. Andrews

Susan La Flesche Picotte: 17th June.

 Susan La Flesche Picotte (born in 1865) was a Native American medical doctor and reformer and member of the Omaha tribe.

In 1889, at age 24, Dr. Susan La Flesche Picotte graduated as valedictorian of her medical class from the Woman’s Medical College of Pennsylvania, the first Indigenous people, and the first Indigenous woman, to earn a medical degree.

Andrea Ghez: 16th June

Andrea Ghez (born 1965) is an American astronomer who was awarded the 2020 Nobel Prize for Physics for her discovery of a supermassive black hole at the centre of the Milky Way Galaxy. 

Thomas Weller: 15th June

 Thomas Huckle Weller (1915 - 2008) was an American physician, microbiologist and virologist who was a co-recipient of the Nobel Prize for Physiology or Medicine in 1954 (which shared with John Enders and Frederick Robbins) for the successful cultivation of poliomyelitis virus in tissue cultures. This made it possible to study the virus “in the test tube,” a procedure that led to the development of polio vaccines.

Charles-Augustin de Coulomb: 14th June

 Charles-Augustin de Coulomb (born in 1736) was a French officer, engineer, and physicist. He is best known for his eponymous law of electrostatic force and SI unit for amount of electric charge. He was also a an army engineer and published works on retaining wall design.

James Clerk Maxwell: 13th June

James Clerk Maxwell  (1831 – 1879) is one of the great names in science, having numerous laws, equations and daemons named after him. 

Catherine Bréchignac: 12th June

 Catherine Bréchignac (born 1946) is a French physicist. She is a commander of the Légion d'honneur, "secrétaire perpétuel honoraire" of the Académie des sciences and former president of the CNRS ("National Centre for Scientific Research"). The Times says she has "a formidable reputation for determination, decisiveness and an aptitude for analysing and clarifying complex matters." 

Sheila Willis: 11th June

Sheila Willis (born 1952) is an Irish forensic scientist and was director general of Forensic Science Ireland from 2002 to 2016.

Susanne Albers: 10th June

Wikipedia says "Susanne Albers (born 1965) is a German theoretical computer scientist and professor of computer science at the Department of Informatics of the Technical University of Munich. She is a recipient of the Otto Hahn Medal and the Leibniz Prize.

Elizabeth Garrett Anderson: 9th June

Todayinscience says Elizabeth Garrett Anderson (born in 1836) was an  "English physician and activist who sought the admission of women to professional education, especially in medicine."

Tim Berners-Lee: 8th June

Tim Berners-Lee was born in 1955 the son of Conway Berners-Lee and Mary Lee Woods, both computer scientists. It is more appropriate that you look him up on his page of the World Wide Web.

Virginia Apgar: 7th June

Dr. Virginia Apgar (born 1909) was an American obstetrical anaesthetist who developed the Apgar Score, introduced in 1952, a scoring system, a method of evaluating an infant shortly after birth to assess its well-being and to determine if any immediate medical intervention is required..

Arlene Harris: 6th June

 Wikipedia says:

Arlene Joy Harris (born 1948) is an entrepreneur, inventor, investor, and policy advocate in the telecommunications industry.

Susan Lindquist: 5th June

 "Today in Science History" says, 

"Susan Lee Lindquist (born 1949) was an American molecular biologist who pioneered with her studies of protein folding.

Robert F. Furchgott: 4th June

 Robert F. Furchgott was born in 1916 in South Carolina, USA. He was a distinguished American pharmacologist celebrated for his groundbreaking work on the biological functions of nitric oxide (NO) in the cardiovascular system. Furchgott's research laid the foundation for understanding the vital role of NO as a signaling molecule in blood vessel dilation. 

Werner Arber: 3rd June

 Werner Arber, (born 1929) is a Swiss microbiologist, who gained international acclaim for his groundbreaking work in genetics, particularly his elucidation of the molecular mechanisms underlying bacterial resistance to viruses. Arber's scientific journey began with his studies at the Swiss Federal Institute of Technology in Zurich, where he earned his Ph.D. in 1958.

Yi So-yeon: 2nd June

 Yi So-yeon (born 1978) is a South Korean astronaut and biotechnologist who became the first Korean to fly in space.