Franck Jedrzejewski (1958–) is a researcher and Professor in mathematical physics at INSTN/CEA (Paris-Saclay University). He has also a PhD in music and musicology and in philosophy. In 2013, he was elected Director of program at College International de Philosophie (CIPh), an institute founded in 1983 by Jacques Derrida, Francois Chatelet, and Dominique Lecourt. He has published more than 30 books, most of them in French, and three books in English: Mathematical Theory of Music, Looking at Numbers with the composer Tom Johnson, and A Compendium of Mathematical Music.

• Ancient Greek Tone System.- Ancona, Solange.- Anthouard, Frédéric.- Apartement House.- Arab Tone Sytem.- Arkbro, Ellen.- Aschour, Didier.- Asis, Clara de.- Aska, Alyssa.- Asteroidi Esadecafonici.- Avraamov, Arseny.- Bach, Michae.- Baglióni, Silvestro.

Franck Jedrzejewski (1958–) is a researcher and Professor in mathematical physics at INSTN/CEA (Paris-Saclay University). He has also a PhD in music and musicology and in philosophy. In 2013, he was elected Director of program at College International de Philosophie (CIPh), an institute founded in 1983 by Jacques Derrida, Francois Chatelet, and Dominique Lecourt. He has published more than 30 books, most of them in French, and three books in English: Mathematical Theory of Music, Looking at Numbers with the composer Tom Johnson, and A Compendium of Mathematical Music.

• Ancient Greek Tone System.- Ancona, Solange.- Anthouard, Frédéric.- Apartement House.- Arab Tone Sytem.- Arkbro, Ellen.- Aschour, Didier.- Asis, Clara de.- Aska, Alyssa.- Asteroidi Esadecafonici.- Avraamov, Arseny.- Bach, Michae.- Baglióni, Silvestro.

Franck Jedrzejewski (1958–) is a researcher and Professor in mathematical physics at INSTN/CEA (Paris-Saclay University). He has also a PhD in music and musicology and in philosophy. In 2013, he was elected Director of program at College International de Philosophie (CIPh), an institute founded in 1983 by Jacques Derrida, Francois Chatelet, and Dominique Lecourt. He has published more than 30 books, most of them in French, and three books in English: Mathematical Theory of Music, Looking at Numbers with the composer Tom Johnson, and A Compendium of Mathematical Music.

• Ancient Greek Tone System.- Ancona, Solange.- Anthouard, Frédéric.- Apartement House.- Arab Tone Sytem.- Arkbro, Ellen.- Aschour, Didier.- Asis, Clara de.- Aska, Alyssa.- Asteroidi Esadecafonici.- Avraamov, Arseny.- Bach, Michae.- Baglióni, Silvestro.