Mark Ratner: key obituary facts
Is Mark Ratner dead? Yes. Mark Ratner died on May 10, 2026, at age 83.
Cause of death: Mark Ratner's cause of death has not been publicly confirmed.
What was Mark Ratner known for?
He was known as American physical chemist.
More about Mark Ratner
Born: 8 December 1942.
Place of birth: Cleveland.
Gender: male.
Occupation: chemist, university teacher.
Nationality: United States.
Education: Harvard University.
Awards: Willard Gibbs Award, Fellow of the American Physical Society, Irving Langmuir Award in Chemical Physics, Feynman Prize in Nanotechnology, Bourke Award, Peter Debye Award in Physical Chemistry.
Also known as: Mark A. Ratner, Mark A Ratner.
Known for: unimolecular rectifier.
Mark Ratner, an American chemist and professor emeritus at Northwestern University, died on May 10, 2026, at the age of 83.
Ratner was known for his work on the interplay between molecular structure and molecular properties. He graduated from Harvard University with an undergraduate degree in chemistry and earned his Ph.D.
in chemistry from Northwestern University. He taught chemistry at New York University from 1970 to 1974 and spent more than 45 years in Northwestern’s chemistry department. In 1974, Ratner and Arieh Aviram proposed the first unimolecular rectifier, helping to pioneer molecular electronics.
Mark Ratner, 83, American chemist.