Henriette Michaelis

Michaelis was born in Berlin on 6 July 1849 to Gustav Michaëlis[de] (1813–1895), a physics and mathematics teacher and stenographer, and Henriette Louise Lobeck, who came from a Berlin publishing family.^[2][3] Her siblings include the philologist Carolina Michaëlis de Vasconcelos and the educationalist Carl Theodor Michaëlis.^[3] Michaelis published dictionaries of Romance languages.^[4]

Henriette Michaelis and her sister Carolina Michaëlis de Vasconcelos produced first Michaelis dictionary, published at the end of the 19th century by F. A. Brockhaus AG.^[4] Publishing rights were obtained by the Melhoramentos publishing house in 1950s.^[1] The Michaelis dictionary was "a huge success throughout the 20th century and remains so in the 21th [sic] century."^[5]