Origins & Early Life

Rolf Maximilian Sievert (Swedish: [ˈrɔlf maksɪˈmǐːlɪan ˈsǐːvɛʈ]; 6 May 1896 – 3 October 1966) was a Swedish medical physicist whose major contribution was in the study of the biological effects of ionizing radiation. The sievert (Sv), the SI unit representing the stochastic health risk of ionizing radiation, is named for him. He has been called the "Father of Radiation Protection". Sievert was born in Stockholm, Sweden.

Pivotal Works & Achievements

His parents were Max Sievert and Sofia Carolina Sievert, née Panchéen. In 1881, his father founded the Max Sievert Company in Stockholm. Sievert served as head of the physics laboratory at Sweden's Radiumhemmet from 1924 to 1937, after which he was appointed head of the department of radiation physics at the Karolinska Institute. He played a pioneering role in the measurement of doses of radiation especially in its use in the diagnosis and treatment of cancer. In later years, he focused his research on the biological effects of repeated exposure to low doses of radiation.

Enduring Legacy & Impact

He was a founder of the International X-ray and Radium Protection Committee (IXRPC) in 1928, and served as it first chairman; this later became the ICRP. He also chaired the United...

Contemporary Figures & Related Historical Timelines

• A. C. Bhaktivedanta Swami Prabhupada — Contemporary (Born in 1896) (1896): Pioneering global spread of Krishna consciousness teachings and the Hare Krishna mantra.
• Alfred Nobel — Contemporary (Died in 1896) (1896): Pioneering chemist, inventor of dynamite, and founder of the Nobel Prizes.
• Anton Bruckner — Contemporary (Died in 1896) (1896): Master of Austro-German Romanticism, renowned for monumental symphonies and sacred works.
• A. R. Rahman — Contemporary (Born in 1966) (1966): Visionary Indian composer celebrated for blending global sounds with cinematic emotion.
• Adam Sandler — Contemporary (Born in 1966) (1966): Acclaimed comedian and actor known for his prolific career in Hollywood comedy.
• Alberto Giacometti — Contemporary (Died in 1966) (1966): Swiss master of existential sculpture, known for elongated, fragile human figures.
• Alexander Suvorov — Shared historical date (05-06 · Died) (1800): Brilliant Russian general whose victories defined military prowess in the late 18th century.
• Alexander von Humboldt — Shared historical date (05-06 · Died) (1859): German polymath, geographer, and naturalist who pioneered biogeography and modern science.
• Anna Freud — Shared historical date (12-03 · Born) (1895): Pioneering psychoanalyst known for child psychology and ego theory.
• Anton Webern — Shared historical date (12-03 · Born) (1883): Radical modernist composer of the Second Viennese School, known for atonal and twelve-tone techniques.
• 1896 Historical Timeline & Archive — Explore world events and figures from 1896
• May 6 (05-06) On This Day — Historical birthdays and events on May 6
• 1966 Historical Timeline & Archive — Explore world events and figures from 1966
• December 3 (12-03) On This Day — Historical events and memorials on December 3