 Before his death, Tom Clarke, first signatory of the 1916 Proclamation and widely considered the Rising's foremost organiser, had designated his wife Kathleen Clarke as the official caretaker of Rising official business, in the event that the leadership did not survive.By June 1916, Mrs. Clarke had sent out the first post-Rising communiqué to the IRB, declaring the Rising to be only the beginning and directing nationalists to prepare for "the next blow.