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openlogic: Cooper Harold Langford
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openlogic: Cooper Harold Langford
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openlogic: Cooper Harold Langford
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openlogic: Cooper Harold Langford
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openlogic: Richard Montague
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openlogic: Jacques Herbrand
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openlogic: Arthur Prior
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openlogic: Arthur Prior
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openlogic: Frederic Brenton Fitch
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openlogic: Frederic Brenton Fitch
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openlogic: Frederic Brenton Fitch
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openlogic: Ruth Barcan Marcus
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openlogic: Hao Wang and Yenking Wang (née Kan)
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openlogic: Hao Wang
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openlogic: Hao Wang
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openlogic: Verena Huber-Dyson
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openlogic: Ruth Barcan Marcus
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openlogic: Ruth Barcan Marcus
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openlogic: Ruth Barcan Marcus
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openlogic: Ruth Barcan Marcus
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openlogic: Ruth Barcan Marcus
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openlogic: Ruth Barcan Marcus
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openlogic: Ruth Barcan Marcus
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openlogic: Ruth Barcan Marcus
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openlogic: Gerhard Gentzen
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openlogic: Gerhard Gentzen
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openlogic: Gerhard Gentzen
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openlogic: Jacques Herbrand
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openlogic: Karl Popper?
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openlogic: Paul Erdös