Stanford R. Ovshinsky
Self-taught inventor of amorphous materials and energy technologies.
Stanford Robert Ovshinsky (November 24, 1922 – October 17, 2012) was an American engineer, scientist, and inventor who earned more than 400 patents over fifty years, primarily in energy and information. His inventions include the nickel-metal hydride battery, used in laptops, cameras, phones, and hybrid cars; flexible thin-film solar panels; flat-panel liquid crystal displays; rewritable CDs and DVDs; hydrogen fuel cells; and nonvolatile phase-change memory. Through his 1940s and 1950s work in neurophysiology, neural disease, intelligence in mammals and machines, and cybernetics, he founded the field of amorphous and disordered materials. Amorphous silicon semiconductors now underpin many technologies and industries. Ovshinsky was self-taught, with no college or graduate degree.
He was born and raised in Akron, Ohio, then the heart of the American rubber industry, the elder son of Lithuanian Jewish immigrant parents who left Eastern Europe around 1905. His father, Benjamin Ovshinsky, from Lithuania, and mother, Bertha Munitz, from what is now Belarus, were working-class. During the Great Depression, Ovshinsky became active in social causes, inspired by his father—a generous, liberal, cultured activist who collected scrap metal with a horse and wagon, later a truck—and by the Akron Workmen’s Circle, a Jewish immigrant organization focused on social justice. This instilled a lifelong commitment to labor rights, civil rights, and civil liberties.
Before graduating high school in June 1941, Ovshinsky worked as a teacher, tool maker, and machinist in rubber-industry shops. During World War II, he and his first wife, Norma Rifkin, moved to Arizona, where he worked in a Goodyear plant’s tool room near Phoenix. Returning to Akron before the war ended, he founded his own machine company, Stanford Roberts, in a barn. There he developed and patented his first invention, the Benjamin Center Drive, named after his father—an automatic high-speed center drive lathe. After selling the company to New Britain Machine Company, the lathe helped produce artillery shells in volume during the Korean War. Meanwhile, Ovshinsky deepened his study of human and machine intelligence, reading neurophysiology, neurological disease, and cybernetics research, and briefly corresponded with Norbert Wiener.
In 1951, he moved to Detroit as director of research at Hupp Motor Company, where he
- born
- November 24, 1922
- died
- October 17, 2012
- field
- Engineering, science, invention
- nationality
- American
- known_for
- Nickel-metal hydride battery, amorphous silicon semiconductors, rewritable CD/DVD, phase-change memory
Quick Facts
- Birth Name
- Stanford Robert Ovshinsky
- Birth Date
- mf=yes · 1922 · 11 · 24
- Birth Place
- Akron, Ohio, U.S.
- Death Date
- 2012-10-17
- Death Place
- Bloomfield Hills, Michigan, U.S.
- Occupation
- engineer, scientist and Inventor
- Known For
- Nickel–metal hydride battery Phase-change memory
- Spouse
- Norma Rifkin · 1943 · 1959 · end=divorced · Iris M. Ovshinsky · 1960 · 2006 · end=died · Rosa Young · 2007
Facts from the source article.
Lore & Background
Ovshinsky was born and grew up in Akron, Ohio, the elder son of working-class Lithuanian Jewish immigrant parents. His father, a scrap metal collector and liberal activist, influenced his lifelong concern for workers, minorities, and social justice. Before graduating high school in 1941, Ovshinsky worked as a teacher, tool maker, and machinist. During World War II, he moved to Arizona with his bride Norma Rifkin, working in a Goodyear plant. Returning to Akron, he established his own machine company, Stanford Roberts, where he developed and patented his first invention, the Benjamin Center Drive lathe, later used to produce artillery shells during the Korean War.
In 1951, Ovshinsky became director of research at Hupp Motor Company in Detroit, where he invented electric power steering. He and his brother Herb later founded General Automation. Studying neurophysiology and cybernetics, Ovshinsky invented the Ovitron, a mechanical model of a nerve cell using amorphous thin-film switches, disclosed in 1959. In 1960, he and Iris Miroy Dibner founded Energy Conversion Laboratory, where he developed the Ovshinsky Effect—turning glassy thin films into semiconductors—leading to Ovonic Phase Change Memory and the Threshold Switch, which became the basis for rewritable CDs, DVDs, and phase-change memory.
Reader's Guide
Ovshinsky's significance lies in his pioneering work on amorphous and disordered materials, which opened a new scientific field and became the basis for numerous technologies. His inventions, such as the nickel-metal hydride battery, flexible solar laminates, and rewritable optical discs, have had broad commercial and societal impact. Despite lacking formal higher education, he obtained over 400 patents and attracted collaboration from Nobel laureates and leading scientists. His work crossed traditional academic boundaries, combining neurophysiology, cybernetics, and materials science. The non-hierarchical, multicultural environment of his laboratory reflected his social values. Ovshinsky's legacy includes foundational contributions to energy storage, renewable energy, and information storage technologies that remain widely used.
Did You Know?
- Ovshinsky was self-taught, without formal college or graduate training.
- He invented the Benjamin Center Drive lathe, named after his father, which was used to produce artillery shells during the Korean War.
- His Ovitron was a mechanical model of a nerve cell using amorphous thin-film switches, disclosed in 1959.
- He was granted well over 400 patents over a span of fifty years.
Frequently Asked Questions
Who is Stanford R. Ovshinsky?
Stanford Robert Ovshinsky (1922–2012) was a self-taught American engineer and inventor whose career spanned roughly fifty years of work in energy and information technology. Over that span he accumulated more than 400 patents, making him one of the most prolific inventors of the twentieth century.
What battery is Stanford Ovshinsky most famous for?
He is best known for developing the nickel-metal hydride (NiMH) rechargeable battery, a chemistry that went on to power laptops, digital cameras, mobile phones, and the drivetrains of early hybrid electric vehicles. For battery enthusiasts, the NiMH cell is the single technology most tightly associated with his name.
What other inventions is Ovshinsky credited with?
Beyond batteries, Ovshinsky contributed to amorphous-silicon semiconductors, flexible thin-film solar panels, flat-panel liquid-crystal displays, rewritable CD and DVD media, hydrogen fuel cells, and nonvolatile phase-change memory. His patent portfolio therefore stretches well past electrochemistry into optics, computing, and renewable energy.
How many patents did Ovshinsky hold and over what period?
He earned more than 400 patents spread across approximately five decades of active invention. That volume of protected work, concentrated in energy storage and information processing, is a major reason fans rank him among the top battery-era inventors.
Why does Ovshinsky matter in the history of batteries?
His NiMH chemistry gave the consumer-electronics and automotive industries a practical, high-capacity rechargeable option that bridged the gap between older nickel-cadmium cells and the lithium-ion era. In fan-encyclopedia terms, he is the inventor most fans point to when tracing how portable electronics and hybrid cars got their first truly mainstream rechargeable battery.
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