David Beam (1802–1854) took on his father's responsibilities[clarification in 1820 at the age of 18, expanding distribution of the family's bourbon during a time of Industrial Revolution. David M. Beam (1833–1913) in 1854 moved the distillery to Nelson County to capitalize on the growing network of railroad lines connecting states. [clarification James Beauregard Beam (1864–1947) managed the family business before and after Prohibition, rebuilding the distillery in 1933 in Clermont, Kentucky, near his Bardstown home. The James B. Beam Distilling Company was founded in 1935 by Harry L. Homel, Oliver Jacobson, Harry Blum, and Jeremiah Beam. From this point forward, the bourbon would be called "Jim Beam Bourbon" after James Beauregard Beam, and some of the bottle labels bear the statement, "None Genuine Without My Signature" with the signature James B. Beam. In 1945, the company was purchased by Harry Blum, a Chicago spirits merchant. The Beam company was purchased by American Brands in 1968.