1991 Death Jac de Jong, Dutch MP/composer/businessman (Nedac-Sorbo), dies 1957 Birthday Jac Bico, Dutch guitarist/singer, Tambourine 1945 Death Jac[obus] P Thijsse, Dutch biologist (Omgang met planten), dies at 79 1865 Birthday Jac[obus] P Thijsse, Dutch biologist/educator, Contact with Plants
