Pink triangle and the LGBT rights movement. In Nazi concentration camps, each prisoner was required to wear a downward-pointing, equilateral triangular cloth badge on their chest, the color of which identified the reason for their imprisonment. Early on, homosexual male prisoners were variously identified with a green triangle (indicating criminals) or red triangle (political prisoners), the number "175" (referring to Paragraph 175, the section of the German penal code criminalizing homosexual activity), or the letter "A" (which stood for "Arschficker", literally "ass fucker"). Later, the use of a pink triangle was established for prisoners identified as homosexual men, which also included bisexual
International Symbol of Access International Symbol of Access The International Symbol of Access (ISA), also known as the (International) Wheelchair Symbol, consists of a blue square overlaid in white with a stylized image of a person in a wheelchair. It is maintained as an international standard, ISO 7001 image of the International Commission on Technology and Accessibility (ICTA), a committee of Rehabilitation International (RI). The ISA was designed by Danish design student Susanne Koefoed in 1968. It was first sketched at a radical design conference mounted by the Scandinavian Students Organization (SDO). The group organized a summer study session at Stockholm’s art and design