Étienne d'Espagnet

Étienne d'Espagnet (born c. 1596) was the son of parliamentary counselor Jean d'Espagnet and Charlotte De Mangeau. He became a parliamentary counselor in 1617. He married in 1629 and had a son in 1634.^[1]

He was friends with Viète and Fermat.^[2] d'Espagnet shared mathematical interest with Fermat and was the recipient of at least some of Fermat's mathematical papers.^[3]

References

^ Jean d' Espagnet (1999). Jean D'Espagnet's the Summary of Physics Restored: The 1651 Translation with D'Espagnet's Arcanum (1650). Taylor & Francis. pp. 14–15. ISBN 978-0-8240-7542-2.
^ "Jean Beaugrand - Biography".
^ Michael Sean Mahoney (1994). The Mathematical Career of Pierre de Fermat, 1601-1665. Princeton University Press. pp. 49–. ISBN 0-691-03666-7.

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[Espagnet1999-1] Jean d' Espagnet (1999). Jean D'Espagnet's the Summary of Physics Restored: The 1651 Translation with D'Espagnet's Arcanum (1650). Taylor & Francis. pp. 14–15. ISBN 978-0-8240-7542-2.

[2] "Jean Beaugrand - Biography".

[Mahoney1994-3] Michael Sean Mahoney (1994). The Mathematical Career of Pierre de Fermat, 1601-1665. Princeton University Press. pp. 49–. ISBN 0-691-03666-7.

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