William Hamilton was a Scottish philosopher and logician, born in 1788. He is best known for his work in the field of metaphysics and epistemology, particularly his contributions to the philosophy of mind. Hamilton's ideas on the nature of knowledge and perception influenced later thinkers and helped shape modern philosophy. In addition to his philosophical work, Hamilton was a prominent figure in the academic community, serving as a professor at the University of Edinburgh. He was also known for his lectures, which were popular among students and intellectuals of his time. Hamilton passed away in 1856, leaving a lasting legacy in philosophy.