Francisco López

Jay-Dea Lopez

Robert Losiak

James Lovelock

Richard Lowenberg

Rob Mackay

Marcus Maeder

Carla J. Maier

Gilles Malatray

Felicity Mangan

Michael Marder

Lynn Margulis

Rafał Mazur

Lia Mazzari

Danny McCarthy

Andra McCartney

Sally Ann McIntyre

Ann McMillan

Matilde Meireles

Jim Metzner

Emmanuel Mieville

David Mollin

David Monacchi

Gordon Monahan

Ernest John Morris