Willibald Alexis, sunan da ba a yarda da shi ba na Georg Wilhelm Heinrich Häring (An haife shi ne a ranar 29 ga watan Yuni 1798 – 16 ga watan Disamba 1871), ya kasan ce ɗan littafin tarihin Jamusanci ne, wanda aka ɗauka wani ɓangare na ƙungiyar Matasan Jamus . An haifi Alexis a Breslau, Silesia . Mahaifinsa, wanda ya fito daga dangin Faransa dan gudun hijira, mai suna Hareng, ya rike babban mukami a sashin yaki. Ya halarci Werdersche Gymnasium a Berlin, sannan kuma, a matsayin mai ba da gudummawa a cikin kamfen na 1815, ya shiga cikin kewaye da ƙauyukan Ardenne . Bayan dawowarsa, ya yi karatun lauya a Jami’ar Berlin da ta Breslau ya kuma shiga aikin lauya, amma ba da daɗewa ba ya yi watsi da wannan aikin ya dukufa ga adabi . Saita zama a Berlin, ya gyara, daga 1827 zuwa 1835, Berliner Konversationsblatt, wanda a cikin shekaru biyu na farko Friedrich Christoph Forster (1791-1868) ya taimaka masa; kuma a cikin 1828 aka kirkiro likitan falsafar ta Jami'ar Halle .