1225?-1274 1724-1804 1889-1976 1897-2000 191 192 1925-1995 19thcentury 20thcentury aesthetics alfrednorth architecture artdeco(architecture) artnouveau(architecture) australia belgium belgium) biography brussels buildings charles cooper criticismandinterpretationhorta deleuze descriptionandtravel diaries education environmentalethics environmentalresponsibility etc ethics exhibitions generalsurgery geopolitics gilles greatbritain halfordjohn hartshorne heidegger history horta immanuel imperialism kant kenya kk22 lilianviolet mackinder martin metaphysics modern mount mountaineering mountaineers palaisdesbeaux-arts(brussels philosophy physicians processphilosophy processtheology religions structures thomas victor whitehead women womensurgeons wz100