Jeannette Leonard Gilder, the daughter of a clergyman, was a pioneering American female journalist. From 1869, she wrote for various newspapers in Newark and New York, including the New York Herald. She also worked for The Boston Evening Transcript, writing under the pen name "Brunswick." In 1881, she co-founded The Critic, a literary magazine, with her brothers Richard Watson Gilder and Joseph Benson Gilder. Another brother was the explorer William Henry Gilder. Jeannette later became the sole editor of the magazine. She contributed articles and columns to the publication, including the literary review The Lounger.