what were some careers he pursued?
Physician, inventor, painter and architect
William Thornton
Dr. William Thornton (May 20, 1759 – March 28, 1828) was a British-American physician, inventor, painter and architect who designed the United States Capitol. 
what is united states capitol cornerstone laying? It was the ceremonial placement of the cornerstone of the United States Capitol who designed this capitol building? William Thornton what is its interior like? The Capitol building is marked by its central dome above a rotunda in the central section of the structure  containing the two original smaller meeting chambers for the Senate and the House of Representatives and then flanked by two further extended wings, one also for each chamber of the larger how many chambers does this building have? Two where was this aforementioned designer born? Jost Van Dyke in the British Virgin Islands, West Indies
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William Thornton [SEP] Introduction
Dr. William Thornton (May 20, 1759 – March 28, 1828) was a British-American physician, inventor, painter and architect who designed the United States Capitol. He also served as the first Architect of the Capitol and first Superintendent of the United States Patent Office.