Susan Keating Glaspell was an American playwright, novelist, journalist and actress. With her husband George Cram Cook, she founded the Provincetown Players, the first modern American theatre company.

Susan Bogert Warner, was an American Presbyterian writer of religious fiction, children's fiction, and theological works. She is best remembered for The Wide, Wide World. Her other works include Queechy, The Hills of Shatemuck, Melbourne House, Daisy, Walks from Eden, House of Israel, What She Could, Opportunities, and House in Town. Warner and her sister, Anna, wrote a series of semi-religious novels which had extraordinary sale, including Say and Seal, Christmas Stocking, Books of Blessing, 8 vols., The Law and the Testimony.

Susanna Centlivre, born Susanna Freeman, and also known professionally as Susanna Carroll, was an English poet, actress, and "the most successful female playwright of the eighteenth century". Centlivre's "pieces continued to be acted after the theatre managers had forgotten most of her contemporaries." During a long career at the Theatre Royal, Drury Lane, she became known as the second woman of the English stage, after Aphra Behn.

Susanna Moodie was an English-born Canadian author who wrote about her experiences as a settler in Canada, which was a British colony at the time.

Sutton Elbert Griggs was an author, Baptist minister, and social activist. He is best known for his novel Imperium in Imperio, a utopian work that envisions a separate African-American state within the United States. He was African-American.

Swami Abhedananda, born Kaliprasad Chandra, was a direct disciple of the 19th century mystic Ramakrishna Paramahansa and the founder of Ramakrishna Vedanta Math. Swami Vivekananda sent him to the West to head the Vedanta Society of New York in 1897, and spread the message of Vedanta, a theme on which he authored several books through his life, and subsequently founded the Ramakrishna Vedanta Math, in Calcutta and Darjeeling.

Swami Vivekananda, born Narendranath Datta, was an Indian Hindu monk, philosopher, author, religious teacher, and the chief disciple of the Indian mystic Ramakrishna. He was a key figure in the introduction of Vedanta and Yoga to the Western world and is credited with raising interfaith awareness, and bringing Hinduism to the status of a major world religion.

Sydney George Fisher was a United States lawyer and historian, and is best known for his work The True History of the American Revolution.

Sydney Grundy was an English dramatist. Most of his works were adaptations of European plays, and many became successful enough to tour throughout the English-speaking world. He is, however, perhaps best remembered today as the librettist of several comic operas, notably Haddon Hall.

Sydney Smith was an English wit, writer, and Anglican cleric. Besides his energetic parochial work, he was known for his writing and philosophy, founding the Edinburgh Review, lecturing at the Royal Institution and remembered for his rhyming recipe for salad dressing.