[Barry Clark fights punched paper tape, 1964]
Barry Clark fights punched paper tape, 1964

[Marshall Cohen, Barry Clark, Ivan Moisiev, Semeis, 1971]
Marshall Cohen, Barry Clark, Ivan Moisiev, Semeis, 1971

[Barry Clark at OVRO 40th anniversary, 1998]
Barry Clark at OVRO 40th anniversary, 1998