Back Willem van Stockum Czech Willem Jacob van Stockum German Willem Jacob van Stockum Spanish ویلم ژاکوب ون استاکم Persian विलेम जेकब व्हान स्टॉकम Marathi Willem Jacob van Stockum Dutch Ван Стокум, Виллем Russian Віллем ван Стокум Ukrainian
Willem Jacob van Stockum (20 November 1910 – 10 June 1944) was a Dutch mathematician who made an important contribution to the early development of general relativity.