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,

b/w shadowgraph with glasses, 1932 www.informador.com.mx

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.saatchi-gallery.co.uk

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

Carix(America), cyanotype of about ca. 1850 collections.eastman.org

Thistle (Carduus acanthoides)and Fern Study, cyanotype from about 1851-55, Museum of Fine Arts Boston www.mfa.org

Polypodium vulgare, cyanotype of fern leaf, around 1854 www.staatsgalerie.de

Specimen of Cyanotype, peacock feathers, 1845 auden.hrc.utexas.edu:8080

Polypodium crenatum, Norway, 1854 www.gallery.ca

Cyanotype Albums of plants from 1853 (Britsh Ferns) and 1843 (British Algae) www.scienceandsociety.co.uk

Equisetum sylvaticum, cyanotype 1853 www.getty.edu

British Algae, a complete edition of 307 cyanotypes, aquired in 2017 by the Rijksmuseum www.rijksmuseum.nl

Pidder Auberger
(Germany)[1947–2012] b. Lohberg, d. Burchach

Blog-Article, featuring shadowgraphs, cliché-verres and chemigrams from the 1980-1990's fokussiert.com

Schulterküsse, cliché verres in combination with graphics/painting, 1988 www.photoscala.de