About Sigard Adolphus Knopf
Lived 1857 – 1940 (aged 82). Sigard Adolphus Knopf was an American physician.
Sigard Adolphus Knopf (November 27, 1857 – July 15, 1940) was a Kingdom of Prussia-born American physician.
Born Siegmund Knopf on November 27, 1857,
A collection of his papers is held at the National Library of Medicine.
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Important facts
Contemporaries
People whose lives overlapped Sigard Adolphus Knopf's
Frequently asked questions
Who was Sigard Adolphus Knopf?
German-born American physician (1857–1940)
When was Sigard Adolphus Knopf born?
Sigard Adolphus Knopf was born on 27 November 1857 in Halle (Saale).
When did Sigard Adolphus Knopf die?
Sigard Adolphus Knopf died on 15 July 1940 in New York City.
What was Sigard Adolphus Knopf's occupation?
Sigard Adolphus Knopf was a physician.
What nationality was Sigard Adolphus Knopf?
Sigard Adolphus Knopf was American.
Sources & further reading
· Wikipedia: Sigard Adolphus Knopf
· DBpedia: Sigard Adolphus Knopf
Cite this page
APA: Biography.guide. (2026). Sigard Adolphus Knopf. https://biography.guide/sigard-adolphus-knopf/
MLA: "Sigard Adolphus Knopf." Biography.guide, https://biography.guide/sigard-adolphus-knopf/.
Chicago: "Sigard Adolphus Knopf." Biography.guide. https://biography.guide/sigard-adolphus-knopf/.
Data last updated: 2026-09-22 · Spot an error? Report a correction.
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