Charles Millard Pratt
Charles Millard Pratt "became an officer in the Standard Oil Company after his father’s firm the Charles M. Pratt Company, which had developed “Astral Oil,” an internationally successful lighting kerosene, merged with Standard Oil." 
In 1924 Time noted that: "Died. Charles Millard Pratt, 80, onetime (1899-1911) executive and director of the original Standard Oil Co. of which his father was cofounder, onetime president of Brooklyn's Pratt Institute; after a ten-year illness; in Glen Cove, L. I."