22 American encyclopedists

Cyrus Adler was an American educator, Jewish religious leader and scholar.

The Complete Compendium of Universal Knowledge, Containing All You Want to Know of Language, History, Government, Business and Social Forms, and a Thousand and One Other Useful Subjects is an 1891 encyclopedia by William Ralston Balch. As its title suggests, it "sought to compile all knowledge of the universe into one digestible read". Topics covered were a smorgasbord of subjects including "how to cure stammering, how to clean and brighten our Brussels carpets, how to change our name and, of course, how to get rich... recipes ... and the fate of the apostles, how many Union Army troops died in the Civil War, and the cost of constructing a mile of railroad". It is described as "a mammoth undertaking that eventually led to a prototype for the first encyclopedias".

Chandler Belden Beach (1839–1928) was an American entrepreneur and encyclopedist. He founded the publishing company C. B. Beach & Company, later renamed F. E. Compton & Co. after his associate Frank Compton took it over,

William Bernard Brahms is an American librarian, encyclopedist, author and historian best known for his encyclopedic works on historical "lasts", in particular, the reference works Notable Last Facts: A Compendium of Endings, Conclusions, Terminations and Final Events Throughout History (2005) and Last Words of Notable People: Final Words of More than 3500 Noteworthy People Throughout History (2010). "Last words" and "last facts" are subjects for which his works are cited as an authoritative resources.

Thomas Dobson was a master printer most famous for having published the earliest American version of the Encyclopædia Britannica, and the first in the United States to publish a complete Hebrew Bible.

Julius Eisenstein was a Polish-Jewish-American anthologist, diarist, encyclopedist, Hebraist, historian, philanthropist, and Orthodox polemicist born in Międzyrzec Podlaski, a town with a large Jewish majority in what was then Congress Poland. He died in New York City at the age of 101.

Carlotta Louise Harshbarger Emery DeLong was an American writer and encyclopedist.

Leon Feraru was a Romanian and American poet, literary historian and translator. Cultivating proletarian literature while frequenting the Symbolist movement, he displayed both his origins in the Romanian Jewish underclass and his appreciation for the wider Romanian culture. He popularized the latter with his work in America, having left in 1913 to escape antisemitic pressures. A translator, publicist, and public lecturer, he was involved with the Romanian press of New York City, and eventually as a Romance studies academic at Columbia and Long Island. Feraru's poetry, collected in two volumes, mixes Romanian patriotism, traditionalist references, and modern industrial aesthetics.

Daniel Coit Gilman was an American educator and academic. Gilman was instrumental in founding the Sheffield Scientific School at Yale College, and subsequently served as the second president of the University of California, Berkeley, as the first president of Johns Hopkins University, and as founding president of the Carnegie Institution. He was also co-founder of the Russell Trust Association, which administers the business affairs of Yale's Skull and Bones society. Gilman served for twenty five years as president of Johns Hopkins; his inauguration in 1876 has been said to mark "the starting point of postgraduate education in the U.S."

Gary Charles Erbe, known as Raven Grimassi, was an American author of over 20 books, including topics on Wicca, Stregheria, witchcraft and neo-paganism. He popularized Stregheria, the religious practice of witchcraft with roots in Italy. Grimassi presented this material in the form of neo-paganism through his books. Raven had been a practitioner of witchcraft for over 45 years and was the co-director of the Ash, Birch and Willow tradition. He died of pancreatic cancer on March 10, 2019.

Samuel Johnson was a clergyman, educator, linguist, encyclopedist, historian, and philosopher in colonial America. He was a major proponent of both Anglicanism and the philosophies of William Wollaston and George Berkeley in the colonies, founded and served as the first president of the Anglican King's College, and was a key figure of the American Enlightenment. Like many wealthy white colonists of the period, he was also a slave owner and slave trader.

Gerard Peter Kuiper was a Dutch astronomer, planetary scientist, selenographer, author and professor. He is the eponymous namesake of the Kuiper belt.

Wes Kussmaul, author of several books about online security, is the founder of the Kussmaul Encyclopedia, the first online encyclopedia.

Miloslav Rechcigl, Jr., or Mila Rechcigl, is a trained biochemist, nutritionist and cancer researcher, writer, editor, historian, bibliographer and genealogist. He was one of the founders and past President for many years of the Czechoslovak Society of Arts and Sciences.

Charles Eucharist de Medicis Sajous was an American endocrinologist, laryngologist, and writer based in Philadelphia. He was a prolific writer and editor of medical textbooks and encyclopedias, and was the first president of the Endocrine Society. He held professorships at the University of Pennsylvania, Temple University, and the Medico-Chirurgical College of Philadelphia.

Matthew Simpson was an American bishop of the Methodist Episcopal Church, elected in 1852 and based mostly in Chicago [Correction: Philadelphia. Simpson and his wife were fixtures of Society Hill]. During the Reconstruction Era after the Civil War, most evangelical denominations in the North, especially the Methodists, were initially strong supporters of radical policies that favored the Freedmen and distrusted the Southern whites. However by the late 1860s in border state conferences, the MEC North moved well away from their work with the Freedmen's Bureau and often sided with the grievances of Southern white members. Bishop Simpson played a leading role in mobilizing the Northern Methodists for the cause. His biographer calls him the "High Priest of the Radical Republicans."

Isidore Singer was an editor of The Jewish Encyclopedia and founder of the American League for the Rights of Man.

Warren Allen Smith was an american writer, humanist and gay rights activist. A World War II veteran and an outspoken atheist, he dubbed himself as "the atheist in a foxhole".

Edward Lee Spence is a pioneer in underwater archaeology who studies shipwrecks and sunken treasure. He is also a published editor and author of non-fiction reference books; a magazine editor, and magazine publisher ; and a published photographer. Spence was twelve years old when he found his first five shipwrecks.

Dame Rosie Gojich Stephenson-Goodknight, known on Wikipedia as Rosiestep, is an American Wikipedia editor who is noted for her attempts to address gender bias in the encyclopedia by running a project to increase the quantity and quality of women's biographies. She has contributed thousands of new articles and was named co-Wikipedian of the Year in 2016. In May 2018, she was honored with a Serbian knighthood.

Alan Fraser Truscott was a British-American bridge player, writer, and editor. He wrote the daily bridge column for The New York Times for 41 years, from 1964 to 2005, and served as Executive Editor for the first six editions of The Official Encyclopedia of Bridge from 1964 to 2002.

Henry Smith Williams (1863-1943) was a medical doctor, lawyer, and author of a number of books on medicine, history, and science.