Background
He was born in Dordrecht, but received his training in Haarlem as a pupil of Henri Frédéric Boot and Samuel Jessurun de Mesquita.
He was born in Dordrecht, but received his training in Haarlem as a pupil of Henri Frédéric Boot and Samuel Jessurun de Mesquita.
De Kat was a driving force behind the Kennemer Kunstenaarskring. After the war, he and Kees Verwey founded the Hollandse Aquarellistenkring and De Kat remained its chairman until after 1965. He was an art critic for the newspaper Haarlems Dagblad in the years 1951-1955 and wrote for Het Vrije Volk.
His relationship with Hans van Zijl came to an end, just before she died in 1963.
De Kat moved to Amsterdam and remarried in 1964 with Danish artist Dora Dahl-Madsen. The couple spent a lot of time in their second house in France, an inspiring environment for De Kat.
Due to health issues they left Amsterdam in 1992 and moved to Laren. He died there, at the age of 88.
Arti et Amicitiae]
They traveled to Italy, where De Kat"s work was exhibited alongside work by Maurits Cornelis Escher, and France, where De Kat was inspired by fauvism and the members of the École de Paris.