Бань Гу
Scholar Pan Guangdan (潘光旦) came to the conclusion that many emperors in the Han dynasty had one or more male sex partners. Many were recorded in detailed biographies in the "Memoirs of the Historian" by Sima Qian and the "Records of the Han" by Ban Gu. Grand Historian Sima Qian notes that, unlike female wives and concubines, the male companions of the emperors were often admired as much for their administrative abilities as for their sexual abilities: