John Adams (1735-1826). American politician. Leader of the American Revolution. Second president of the United States of America (1797-1801). Portrait. Engraving by Vernier. Panorama Universal. History of the United States of America, from 1st edition of Jean B.G. Roux de Rochelle's Etats-Unis d'Amerique in 1837. Spanish edition, printed in Barcelona, 1850. Later colouration. (Photo by: Prisma/Universal Images Group via Getty Images)