Person · 1944 CEJan van de GraaffAlso known asГрааф, Ян ван деЯн ван де ГраафЯн ван де Ґраффچان ڤان د جرافیان وان دو گراف扬·范德赫拉夫archival plate · Jan van de Graaff · placeholderThis entry is a stub. The Library is awakening — a longer account is being written.Connected toborn inHengelo+ 3 further connections to entries not yet ingested