French scientist, worked primarily in the radio field since 1925.
He then became naturally attracted by the new research in television, following the Baird experiments in London and then the Barthelemy experiments in France at the Compagnie Des Compteurs in Montrouge near Paris.
By 1932, He build his own television studio using the equipments (transmitter and materiel) at Radio Lyon.
There he build his 30 lines mechanical camera using a Brillouin scanning disc, that is a Nipkow disc using lens in place of holes. This camera was suitable for flying spot scanning method.