V
	Eduard Valenta (Austria)[1857 - 1937] Wien
	http://www.geh.org/taschen/htmlsrc4/m197933520001_ful.html#topofimage "Christiceps argentatus", 1886, photogravure print from x-ray negative of goldfishes
	http://gallery.albertina.at/eMuseum/code/emuseum.asp?style=browse¤trecord=... Tabelle der Durchlässigkeit von verschiedenen Substanzen gegen Röntgenstrahlen, 1896, Heliogravure of experiment with x-ray penetrability
	http://www.josephbellows.com/artists/josef-maria-eder-and-eduard-valenta/ Solfisch (Pleurinectes solea)
	http://www.scienceandsociety.co.uk/results.asp?image=10319367&wwwflag=2&imagepos... hand of an eight year old girl, 1896
	Samuel van Hoogstraten (Netherlands)[1627 - 1678] Dordrecht
	http://a.parsons.edu/~rkeller/thesis/image_archive/oct_6.html# engraving: "The Shadow Dance", 1675
	Cheryl Van Hooven (USA)[1948] Chicago
	http://www.carleton.edu/campus/gallery/exhibitions/2001/NOTphotograph/hooven.htm Untitled (Light Drawing),b/w,1985
	Jindøich Vávra (Czechia)[1928 - 2001] Prague
	http://www.sudek-atelier.cz/i_vystavy.htm serial b/w photograms, 1963-65,
	Luigi Veronesi (Italy)[1908 - 1998] Milano
	http://www.newsletter-pixel.it/mostre/mostre_3_4.htm Studio Cinetico/ Natura/ Fotogramma, photograms and light drawing, 1937 - 1951
	http://www.agendavenezia.org/it/articoli/colombo-diaframma.asp b/w positive photogram of a transparent spiral, 1936
	http://www.fbarte.com/main/obj.aspx?elm=267 positive colour photogram (ca. 1960's)
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