Of monsters and mysteries; U. of C. professor Roy Mackal chased the unknown

Of monsters and mysteries; U. of C. professor Roy Mackal chased the unknown - Chicago Sun-Times: "Roy Mackal was part of a unique and sometimes ridiculed fraternity of explorers whose members are never happier than when they are sinking waist-deep into the unguent mud of the jungle or navigating the skirling fog of Loch Ness."