Michel Plancherel | |
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Born | Bussy, Switzerland | 16 January 1885

Died | 4 March 1967 Zürich, Switzerland | (aged 82)

Alma mater | University of Fribourg |

Known for | Plancherel measure Plancherel theorem Plancherel theorem for spherical functions |

Scientific career | |

Fields | Mathematics |

Institutions | ETH Zurich |

Thesis | Sur les congruences (mod. 2m) relatives au nombre des classes des formes quadratiques binaires aux coefficients entiers et à discriminant négatif (1907) |

Doctoral advisor | Mathias Lerch |

**Michel Plancherel** (16 January 1885 – 4 March 1967) was a Swiss mathematician.

He was born in Bussy (Canton of Fribourg, Switzerland) and obtained his Diplom in mathematics from the University of Fribourg and then his doctoral degree in 1907 with a thesis written under the supervision of Mathias Lerch. Plancherel was a professor in Fribourg (1911), and from 1920 at ETH Zurich.

He worked in the areas of mathematical analysis, mathematical physics and algebra, and is known for the Plancherel theorem^{[1]} in harmonic analysis. He was an Invited Speaker of the ICM in 1924 at Toronto^{[2]} and in 1928 at Bologna.

He was married to Cécile Tercier, had nine children, and presided at the *Mission Catholique Française* in Zürich.