1783-1855 1784-1823 1792-1828 1796-1826 1946- 1955-1993 19thcentury 20thcentury alexandros art artistic biography espaliú europe exhibitions guglielmo his037060his010020 history hypsēlantēs jeff modern muravʹev-apostol photography rafaeldel revolutionaries revolutions riegoynúñez sergeĭivanovich wall western