Sedleian Professor of Natural Philosophy

The Sedleian Professor of Natural Philosophy is the name of a chair at the Mathematical Institute of the University of Oxford.

The Sedleian Chair was founded by Sir William Sedley who, by his will dated 20 October 1618, left the sum of ₤2,000 to the University of Oxford for purchase of lands for its endowment. Sedley's bequest took effect in 1621 with the purchase of an estate at Waddesdon in Buckinghamshire to produce the necessary income. It is regarded as the oldest of the scientific chairs.

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