About Heberto Sein
Lived 1898 – 1977 (aged 78–79). Heberto Sein was a Mexican diplomat.
Heberto Sein (1898–1977) was a Mexican Quaker leader, peace activist, language interpreter and diplomat.
Born in Matehuala, San Luis Potosí, Mexico, Sein was a founder of the Mexico City Friends Meeting and Friends House. He was married to a Swiss-born Quaker, Suzanne Sein. He was often invited to speak on peace in the United States, and was a strong yet tactful voice at international peace conferences throughout the world. The Casa Heberto Sein, a Quaker Center in Hermosillo, Sonora, Mexico is named for him.
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Important facts
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Contemporaries
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Frequently asked questions
Who was Heberto Sein?
Mexican activist and diplomat (1898–1977)
When was Heberto Sein born?
Heberto Sein was born in 1898.
When did Heberto Sein die?
Heberto Sein died in 1977.
What was Heberto Sein's occupation?
Heberto Sein was a diplomat.
What nationality was Heberto Sein?
Heberto Sein was Mexican.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Heberto Sein. https://biography.guide/heberto-sein/
MLA: "Heberto Sein." Biography.guide, https://biography.guide/heberto-sein/.
Chicago: "Heberto Sein." Biography.guide. https://biography.guide/heberto-sein/.
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