OAK RIDGE, Tennessee, April 12 (TNSres) -- The U.S. Department of Energy's Oak Ridge National Laboratory issued the following news release on April 11, 2023: Andrew Ullman had the pleasure of graduating high school not once, but twice. He had enough academic credits in Delaware, where he grew up, to graduate midway through senior year, and then he graduated, again, from a high school in Adelaide, Australia, where his father, a professor, was taking a year's sabbatical. "School started in Febr  more