Victor Francis Hess

Victor Francis Hess passed away on December 17, 1964, in Mount Vernon, New York, United States. His death marked the end of the life of a pioneering physicist, whose discovery of cosmic rays had provided fundamental insights into astrophysical and particle processes. Throughout his career, Hess was known not only for his scientific achievements but also for his dedication to teaching and his personal integrity.

In 1958, Victor Hess retired from his position at Fordham University. Having served the institution for two decades, his retirement marked the end of a significant career in academia and research. During his tenure at Fordham, Hess had advanced the field of physics, particularly through his research on cosmic rays, and inspired many students who went on to have impactful careers in science themselves.

In 1944, Victor Francis Hess became a naturalized citizen of the United States. This marked a significant chapter in his life as it secured his place and career in his adopted country. As a citizen, Hess was able to fully engage in the American scientific community, contributing to physics education and research during and after World War II. His citizenship also allowed him to live and work in freedom, away from the political upheavals of Europe.

In 1938, facing increasing pressures from the Nazi regime due to his opposition and his wife's Jewish background, Victor Hess emigrated to the United States. He accepted a position at Fordham University in New York. By moving to the United States, Hess ensured his personal safety and freedom to continue his scientific work without the restrictions and dangers posed by the political climate in Austria at the time.

On November 10, 1936, Victor Francis Hess was awarded the Nobel Prize in Physics for his discovery of cosmic radiation, shared with Carl D. Anderson. Hess's meticulous experiments established the extraterrestrial origin of a significant portion of atmospheric radiation, leading to major advancements in both astrophysics and particle physics. The Nobel Prize recognized his pioneering work that expanded human understanding of the universe.

In 1931, Victor Hess was appointed as an ordinary professor of experimental physics at the University of Graz. During his tenure there, Hess continued his research on radiation and related phenomena. His role at Graz involved teaching and mentoring students, contributing to academic growth, and conducting important experiments that furthered the understanding of atmospheric and cosmic phenomena.

On August 7, 1912, during a high-altitude balloon flight, Victor Hess made the groundbreaking discovery of cosmic rays. He ascended to altitudes of up to 5.3 kilometers (3.3 miles) and measured ionizing radiation, finding that it increased with altitude. This was unexpected, as it was believed radiation should decrease further from the Earth's surface. Hess concluded that new radiation was entering Earth's atmosphere from outer space.

Victor Franz Hess was born on June 24, 1883, in the town of Waldstein in Steiermark, Austria. He was the son of Vinzenz Hess, a forester, and his wife, Serafina Edle von Grossbauer-Waldstätt. Hess grew up in a time when physics was undergoing significant transformations, with new discoveries challenging traditional understandings of the natural world.