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current | 11:06, 9 April 2023 | 1,045 × 1,588 (870 KB) | Nickelpro | Cropped from original at https://www.theiet.org/media/campaigns/celebrating-the-impact-of-inspiring-engineers-and-technologists-from-the-world-of-stem/95-inspiring-engineers-and-technologist-of-the-past-present-and-future/ | |
06:10, 10 June 2014 | 513 × 789 (133 KB) | Materialscientist | better version from http://fep.if.usp.br/~fbrandt/fisica4/OliverHeavside.pdf | ||
18:11, 5 October 2012 | 596 × 794 (146 KB) | Wdwd | higher resolution | ||
21:27, 22 February 2011 | 195 × 250 (10 KB) | File Upload Bot (Magnus Manske) | {{BotMoveToCommons|de.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{de|Foto aus dem 19. Jh (oder frühes 20. Jh). Public Domain.}} |Source=Transferred from [http://de.wikiped |
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