Marshall, William (fl.1617-49). English. Medium: engraving. Date: 1640. Sir Francis Bacon (1561-1626) 1st Viscount of St. Alban, English philosopher, statesman, scientist, lawyer, jurist and author; The motto along the base says Multi pertransibunt et augebitur scientia ("Many will pass through and knowledge will be the greater; Pillars of Hercules; Provenance: Private Collection.