12a (6) english poet who wrote heroic stanzas in homage to oliver cromwell 15a (5) muscuilar extension of the soft palate used in speech 22a the splitting of an atom witha release of energy could be nuclear fission ? 28a (6,3,5,) island group split between chile and argentina 42 a (9) =====man rebowned da vinci drawing illustrating ideal anotomical proportions