French Photographer, (19th century); French. Medium: black and white photographer. Date: 19th Century. Abd el-Kader (also spelt al-Qadir, Abdelkader and Abdel Kader) was an Algerian Islamic scholar, Sufi, political and military leader who led a struggle against the French invasion of Algeria in the mid-ninteenth century, for which he is seen as a national hero; Provenance: Private Collection. Photographic Rights The Bridgeman Art Library.