Charles Reid Barnes was an influential American botanist and academic who made significant contributions to the study of plant physiology and bryophytes, including mosses, liverworts, and hornworts. Born in Madison, Indiana, in 1858, Barnes graduated from Hanover College in 1877 before pursuing further studies at Harvard University, where he established a lifelong friendship with the renowned botanist Asa Gray. At Hanover, Barnes met John Merle Coulter, his botany instructor, who would become his closest professional collaborator.
Barnes's academic career spanned nearly three decades. After a brief period teaching in public schools, he became a professor of botany at Purdue University in 1882. He moved to the University of Wisconsin in 1887, where he spent eleven years building a robust botany department, before accepting a position as professor of plant physiology at the University of Chicago in 1898. Alongside his teaching, Barnes was deeply involved in scientific publishing. In 1883, he became the co-editor of the Botanical Gazette alongside Coulter, an editorial role he maintained for twenty-seven years, helping to shape botanical literature in the United States.
Beyond his editorial work, Barnes is historically distinguished for coining the term "photosynthesis" in 1893. He was an active leader in the scientific community, serving in various leadership roles within the American Association for the Advancement of Science and the Botanical Society of America, eventually serving as the latter's president in 1903. His prominent addresses, such as "The progress and problems of plant physiology" and "The theory of respiration," reflected his deep engagement with plant biology. Barnes's career was cut short in 1910 when he died from injuries sustained in an accidental fall in Chicago.
