The Gallery

Modal logic

John L. Pollock

John Lemmon

George Edward Hughes

Frederic Fitch

Max Cresswell

Oskar Becker

David Makinson

Martin Löb

Giorgi Japaridze

Jack Copeland

John Lane Bell

Ruth Barcan Marcus

George Boolos

Timothy Smiley

Casimir Lewy

Saul Kripke

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