[2] She wrote novels, plays, poetry, literary criticism, and U.S. propaganda during World War I.
Her novel Martha By-The-Day was adapted on stage in 1914.
She was educated at private schools in Brooklyn and by a governess.
[4] She was friends with Louisa May Alcott, Charles Dudley Warner, William Gillette, and Mark Twain.
[2] Lippmann's poems included "If We But Knew" published in 1889[7] and "Love and Life".