19th-century philosophy of complexity from mathematics, astronomy, physics, chemistry, biology, and a new discipline called "sociology", which is the study of the "dynamics and statics of society". The American philosophers Charles Sanders Peirce and William James developed the pragmatist philosophy in the late 19th century. The twilight years of the 19th century in Britain saw the rise of British idealism, a revival of interest in the works of Kant and Hegel. Transcendentalism was rooted in Immanuel Kant's transcendence and German idealism, led by Ralph Waldo Emerson and Henry David Thoreau. The main belief was in an ideal spiritual state that 'transcends' the
Livingstone Memorial of Zambia." Livingstone Memorial The Livingstone Memorial built in 1899 marks the spot where missionary explorer David Livingstone died on 1 May 1873 in Chief Chitambo's village at Ilala near the edge of the Bangweulu Swamps in Zambia. His heart was buried there under a mpundu (also called mvula) tree by his loyal attendants Chuma, Suza Mniasere and Vchopere, before they departed for the coast carrying his body. In their party was a European-educated African man named Jacob Wainwright who carved the inscription "LIVINGSTONE MAY 4 1873" and the names of the attendants on the tree. By 1899 Chitambo's village