[建文帝, Jiàn wén dìㄐㄧㄢˋ ㄨㄣˊ ㄉㄧˋ] reign name of second Ming emperor, reigned 1398-1402, deposed in 1402 (mysterious disappearance is ongoing conspiracy theory)#68895
[古登堡, Gǔ dēng bǎoㄍㄨˇ ㄉㄥ ㄅㄠˇ] Gutenberg (name); Johannes Gutenberg (c. 1400-1468), inventor in Europe of the printing press; Beno Gutenberg (1889-1960), German-born US seismologist, coinventor of the Richter magnitude scale#519517