Dr. Josef Wegner, Penn Museum curator who is based in Philadelphia, recently uncovered a groundbreaking discovery: an unknown pharaoh’s tomb, dating back 3,600 years. (Credit: Josef Wegner for the Penn Museum) Dr. Josef Wegner, Penn Museum curator who is based in Philadelphia, recently uncovered a groundbreaking discovery: an unknown pharaoh’s tomb, dating back 3,600 years. (Credit: Josef Wegner for the Penn Museum)