Jozef Maria Laurens Theo Cals was born in Roermond on 18 July 1914. After completing his secondary education in his home town, he studied for the priesthood in Rolduc. In 1935, however, he interrupted his theological training to study law at the Radboud University Nijmegen, after graduating in 1940 he practised law in that same city up until 1950, in the meantime also teaching economics at his old secondary school in Roermond.
Jozef Maria Laurens Theo Cals was born in Ro,ermond on 18 July 1914. After completing his secondary education in his home town, he studied for the priesthood in Rolduc. In 1935, however he interrupted his theological training to study law at the Radboud University Nijmegen, after. graduating in 1940 he practised law in that same city up until 1950, in the meantime also teaching economics at his old secondary school in Roermond