Alexander Jackson Davis (1803-1892) was an eminent American architect known for his contributions to the Gothic and revivalist architectural styles. Born in New York, Davis initially studied painting before focusing on architecture. He began his career as an architect in the early 1820s, and his talent was quickly recognized. Davis gained prominence for his innovative designs, blending neoclassical and Gothic elements. His notable works include the Connecticut State Capitol, Lyndhurst Mansion, and the first building of the Smithsonian Institution, commonly known as the “castle.” Davis played an important role in the development of American architectural aesthetics by embracing the romantic movement, and he played a decisive role in popularizing the Gothic Revival style in the United States.