Look closely at one crucial early printing of the Declaration of Independence and you will find a name that appears in no standard textbook, tucked at the very bottom: "Printed by Mary Katherine Goddard." This episode recovers the story of the pioneering publisher and postmaster who built the communication infrastructure of the American Revolution. Taught mathematics by her mother and colonial logistics by her postmaster father, she became the operational engine behind newspapers her restless brother William kept founding and abandoning, until she took full control of the Maryland Journal in 1774 and transformed it into a megaphone for the revolutionary cause.

Her defining act came when Congress, fled to Baltimore with morale collapsing, needed the Declaration distributed widely. The Goddard Broadside was the first printing to typeset the n ...