Newton, faced in May 1686 with Hooke's claim on the inverse square law, denied that Hooke was to be credited as author of the idea. Among the reasons, Newton recalled that the idea had been discussed with Sir Christopher Wren previous to Hooke's 1679 letter.
Gettysburg is a borough and the county seat of Adams County in the U.S. state of Pennsylvania. The Battle of Gettysburg (1863) and President Abraham Lincoln 's Gettysburg Address are named for this town.
Confidence votes 5.7K. Gettysburg is only about ten miles north of the southern border of Pennsylvania, and maybe fifty miles across Maryland from the nearest point in Virginia as the crow flies. The Confederates had a much longer way to go though, on the campaign which led them to Gettysburg.