File:GustafDeLaval.jpg
Gustaf de Laval (en) (1845–1913), Swedish industrialist.
Image source: http://www.delaval.com/About_DeLaval/Press-centre/Image_gallery_genaral.htm (downloadable press images, but this one public domain due to its age; judging from his age on the picture it must be taken c. 1895-1890 at the latest).
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