A
José Alemany
(Spain)[1895–1951] b. Blanes, Gerona, d. Provincetown
b/w shadowgraph, 1939 onlineonly.christies.com
Circular shapes, bw shadowgraph, ca. 1938 www.getty.edu
Emilio Amero
(Mexico)[1901–1976] b. Ixtlahuaca,
Photogram, 1932, b/w enlarger experiment, multi-exposure, 24.4 × 19.4 cm americanart.si.edu
Markus Amm
(Germany)[1969] b. Emsdetten, l. Geneva
Untitled, multi exposure b/w photograms of several layers of triangular stencils, 18 x 24 cm, 1999 www.saatchigallery.com
Carl David Anderson
(USA)[1905–1991] b. NY, d. San Marino/CA
first picture of a positron track, cloud chamber photograph, 1932 www.scienceandsociety.co.uk
Anna Atkins
(UK)[1799–1871] b. Tonbridge/Kent, d. Halstead
British Algae, complete album, October 1843. Former owner: John Herschel digitalcollections.nypl.org
Dandelion, Papaver and Festuca grasses from 'British and Foreign Flowering Plants and Ferns', c.1854. collections.vam.ac.uk
Polypodium vulgare, cyanotype of fern leaf, around 1854 www.staatsgalerie.de
Carix(America), cyanotype of about ca. 1850 collections.eastman.org
Polypodium crenatum, Norway, 1854 www.gallery.ca
Cyanotype Albums of plants from 1853 (Britsh Ferns) and 1843 (British Algae) www.scienceandsociety.co.uk
Cyanotypes of British and Foreign Ferns, full album with 100 prints, 1853 www.getty.edu
British Algae, a complete edition of 307 cyanotypes (ca. 1843-1853), acquired in 2017 by the Rijksmuseum www.rijksmuseum.nl
Pidder Auberger
(Germany)[1947–2012] b. Lohberg, d. Burchach
Schulterküsse, cliché verres in combination with graphics/painting, 1988 www.photoscala.de
cliché verres combined with photographic negatives, 1989-2001 www.artnet.com