Auteur : Johns Hopkins University Crédits : The photo is a cropped version of the original, which is Order Number B015753 in the National Library of Medicine. The date and author (below) are taken from the NLM's MARC record. The photograph was published in 1955 without a copyright notice. The photo has been cropped, color level adjusted (via curve), desaturated, healed to fix minor defects, and converted to JPEG (quality level 88), with the GIMP 2.6.6. Licence : Public domain
