Helge Kragh has been emeritus professor at the Niels Bohr Institute since 2015. He is former professor of history of science at Aarhus University, University of Oslo and Cornell University. Kragh holds doctorates in science and philosophy. His publication list includes more than 600 items, written for specialists as well as the general public. Most of his research is in the history of 19th century physics, chemistry, astronomy and cosmology.
Posts by Helge Kragh
The first woman to paint the official portrait of a U.S. president, Greta Kempton also painted Cabinet officials, governors, senators, the head of the Atomic Energy Commission, two Postmasters General, a Supreme Court justice, several university presidents, and a Cardinal of the Roman Catholic Church. But what would have happened if she had painted a self-portrait?