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King James I of England and Scotland: Photo by Imagno/Getty Images
Sir Walter Raleigh: Photo by Stock Montage/Getty Images
Sir Francis Bacon: Photo by Stock Montage/Getty Images
William Chillingworth: Photo by: Universal History Archive/UIG via Getty Images
Thomas Hobbes: Photo by DeAgostini/Getty Images
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Margaret Cavendish: Photo by Bettmann/Getty Images
John Milton: Photo by Stock Montage/Getty Images
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Gilbert Burnet: Photo by Universal History Archive/Getty Images
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Title page from A Serious Proposal by Mary Astell: Public Domain
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Anthony Ashley Cooper 3rd Earl of Shaftesbury: Photo by Universal History Archive/Getty Images
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Oliver Wendell Holmes, Jr.: Photo by Bettmann/Getty Images
William James: Photo by Stock Montage/Getty Images
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Bertrand Russell: Photo by Bettmann/Getty Images
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