Engineers and materials scientists

Hans Mauch

Hans Adolph Mauch was a German-born American engineer who led V-1 rocket development, moved to the United States in 1946, and created the S-N-S hydraulic prosthetic knee.

Hans Reissner

Hans Reissner (Hans Jacob Reissner) was a German engineer and mathematician who in 1916 published the first solution for a charged black hole, the Reissner–Nordström metric.

Hans Vogt (German inventor)

Hans Vogt (1890–1979) was a German inventor and sound-film technician who, with Josef Engl and Joseph Massolle, created the Tri-Ergon sound-on-film process, ancestor of optical cinema soundtracks.

Hans von Ohain

Hans von Ohain (1911–1998) was a German aerospace engineer who invented the turbojet that made the world's first jet-powered flight, in the Heinkel He 178, in 1939.

Hans W. Liepmann

Hans W. Liepmann (1914–2009) was a German-born American fluid dynamicist, the von Kármán Professor at Caltech and director of its aeronautics laboratory, GALCIT, from 1972 to 1985.

Hans-Juergen Warnecke

Hans-Jürgen Warnecke (1934–2019) was a German production engineer, professor at the University of Stuttgart, head of Fraunhofer IPA, and president of the Fraunhofer-Gesellschaft from 1993 to 2002.

Hans-Jürgen Warnecke (1934–2019) was a German production engineer who held a Stuttgart chair, led Fraunhofer IPA, presided over the Fraunhofer-Gesellschaft, and introduced the fractal factory concept.

Hanul Min

Hanul Min (민한울) is a South Korean researcher on perovskite solar cells, an assistant professor at Korea University in Seoul known for a 2021 Nature paper reporting 25.5 percent certified efficiency.

Sep 20, 2026

Hao Yan

Hao Yan (颜灏) is a chemist working in structural DNA nanotechnology, Regents Professor at Arizona State University and director of its Center for Molecular Design and Biomimetics.

Sep 20, 2026

Haoshen Zhou

Haoshen Zhou (周豪慎) is a Chinese electrochemist known for high-energy lithium batteries, including a 2009 lithium-air cell and lithium–sulfur work in Nature Energy, at AIST and Nanjing University.

Sep 20, 2026

Haotian Wang

Haotian Wang is a chemical and biomolecular engineer at Rice University whose research on electrochemical CO2 reduction and carbon capture produced solid-electrolyte reactors making pure liquid fuels.

Haraden Pratt

Haraden Pratt (1891–1969) was an American radio engineer, chief of wartime NDRC communications research, and IRE president who won the Institute's Medal of Honor in 1944.

Harald Fuchs

Harald Fuchs is a German physicist and nanoscientist, professor emeritus at the University of Münster, who co-founded its Center for Nanotechnology and researches scanning probe microscopy.

Harald Haas

Harald Haas is an engineer who coined the term LiFi for wireless communication using modulated light, co-founded pureLiFi, and became Van Eck Professor of Engineering at Cambridge in 2024.

Harald T. Friis

Harald T. Friis (1893–1976) was a Danish-born American electrical engineer at Bell Labs known for the Friis transmission equation, the noise figure definition, and his cascade formulas.

Hardy Cross

Hardy Cross (1885–1959) was an American structural engineer who created the moment distribution method for analyzing statically indeterminate frames and pipe networks, teaching at Illinois and Yale.

Haren S. Gandhi

Haren S. Gandhi (1941–2010) was an Indian-born American chemical engineer who spent 43 years at Ford Motor Company shaping automotive emissions control, winning the 2002 National Medal of Technology.

Harish Bhaskaran

Harish Bhaskaran is a materials scientist and Professor of Applied Nanomaterials at Oxford, known for phase-change photonics and photonic computing, and a Director at Apple since 2025.

Harmer E. Davis

Harmer E. Davis was an American civil engineer and UC Berkeley professor who directed the Institute of Transportation and Traffic Engineering from 1948 to 1973.

Harold A. Peterson

Harold A. Peterson was an American electrical engineer who spent twelve years at General Electric, then chaired the University of Wisconsin–Madison electrical engineering department for twenty years.

Harold A. Thomas

Harold A. Thomas Jr. was an American civil engineer and hydrologist at Harvard who led the Harvard Water Program and co-authored Design of Water-Resource Systems.

Harold Alden Wheeler

Harold Alden Wheeler (1903–1996) was an American radio-frequency engineer who invented automatic volume control, founded Wheeler Laboratories, held 180 patents, and won the 1964 IEEE Medal of Honor.

Harold B. Gotaas

Harold B. Gotaas (1906–1977) was an American sanitary engineer and professor at Berkeley and Northwestern whose research established composting fundamentals and sewage treatment by photosynthetic oxygen in open ponds.

Harold Barlow

Harold Barlow (1899–1989) was a British electrical engineer who held the Pender Professorship at University College London from 1950 to 1967, pioneered surface waves and the TE01 circular waveguide, and supervised Nobel laureate Charles Kao.

Harold Beverage

Harold Beverage (1893–1993) was an American radio engineer who invented the wave antenna, patented in 1921, and became vice president of research and development at RCA.

Harold Edgerton

Harold Edgerton, known as "Doc" Edgerton, was an American electrical engineer at MIT who invented the repeatable electronic stroboscopic flash and made high-speed photographs of events too fast for the eye.

Harold Etherington

Harold Etherington (1900–1994) was an American nuclear engineer who helped develop the first nuclear submarine power plants and early boiling-water reactors, and edited the 1958 Nuclear Engineering Handbook.

Harold G. Sowman

Harold G. Sowman was an American ceramic engineer at 3M who pioneered sol-gel ceramic fibers and abrasives, elected to the National Academy of Engineering in 1984.

Harold Liebowitz

Harold Liebowitz (1924–2004) was an American aerospace engineer and fracture mechanics specialist who led George Washington University's engineering school and edited the seven-volume Fracture: An Advanced Treatise.