Previous Image Next Image After learning of the attack at Pearl Harbor, JFK’s father, Joseph P. Kennedy, wrote this telegram to FDR. @FDRLibrary JFK Library After learning of the attack at Pearl Harbor, JFK’s father, Joseph P. Kennedy, wrote this telegram to FDR. JFK Library Share this:Click to print (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Reddit (Opens in new window)