Lena Forsén

Lena Forsén (Swedish: [leːˈna fʊˈʂeːn]), previously Soderberg (born Sjööblom; born 31 March 1951), is a Swedish model who appeared as a Playmate in the November 1972 issue of Playboy magazine, as Lenna Sjööblom. Her centerfold was photographed by Dwight Hooker. The image would later become a ubiquitous standard test image in the field of digital image processing, where the image is known as Lenna.