by Harper & Row, $20.00. Schliemann, who dug up Ilium at Hissarlik (at least, no one has yet found a better candidate for Homer’s city), was a canny Victorian merchant and also an impassioned romantic. In both characters, he was headstrong, impatient, and the kind of optimist who occasionally reports hope as fact. Mr. Deuel has managed to extract a believable portrait and a reasonable progression of events from Schliemann’s letters, excavation reports, and autobiographical writings, and has formed the material into a thoroughly interesting biography. He must have worked like a Trojan. Illustrations, notes, bibliography, index..