Fernand Calvet

Fernand Calvet (04-11-1910 - 04-01-1998) French chess composer

Fernand Calvet published numerous chess problems - usually fairy problems, in collaboration with Pierre Monréal who invented the Circe fairy condition or with other French problemists). Fernand Calvet invented the Anticirce condition.
He was also an excellent solver of chess problems.

Source: chesscomposers.blogspot.com