Isidore Opsomer (Lier, 1878- Antwerp, 1967)
A Belgian realist and post-impressionist painter, his favorite subject was portraits, landscapes and still lifes.
He is also the author of etchings and lithographs. He won several national and international awards.
Training at the Academies of Lier and Antwerp from 1894. In 1906, Opsomer became a professor at the Academy of Fine Arts in Antwerp.
In 1926, he became director of the National Institute of Fine Arts.
Later he was also director of the Royal Academy of Fine Arts in Antwerp from 1936 to 1949.
He was knighted in 1940 and given the title of baron.
He forms, alongside the watchmaker Louis Zimmer, the ironworker Louis Van Boeckel and the author and painter Felix Timmermans, the four-leaf clover of Lierre.
Works in the Museums of Antwerp, Brussels, Ghent, Lier, Liège.