. . "Matthew Steen"@en . . . "1949Z"^^ . "1949-08-22Z"^^ . . "American activist" . . "Matthew Landy Steen"@en . . . . "Matthew Landy Steen (born August 22, 1949) is a former member of Weather Underground Organization, Students for a Democratic Society and Yippies, a New Left activist and editor of Berkeley Tribe in the 1960s."@en . . . .