Alvan Wentworth Chapman (September 28, 1809 – April 6, 1899) was an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 physician

Physician

A physician is a health care provider who practices the profession of medicine, which is concerned with promoting, maintaining or restoring human health through the study, diagnosis, and treatment of disease, injury and other physical and mental impairments...

 and botanist who wrote Flora of the Southern United States, the first comprehensive description of US plants in any region beyond the northeastern states.

Education

He was born in Southampton

Southampton, Massachusetts

Southampton is a town in Hampshire County, Massachusetts, United States. It was established first as a district of Northampton in 1753. It was incorporated in 1753. The name Southampton was given to it during its first town meeting in 1773. Its ZIP code is 01073...

, Massachusetts

Massachusetts

The Commonwealth of Massachusetts is a state in the New England region of the northeastern United States of America. It is bordered by Rhode Island and Connecticut to the south, New York to the west, and Vermont and New Hampshire to the north; at its east lies the Atlantic Ocean. As of the 2010...

, the youngest of five children. In 1830, he graduated from Amherst College

Amherst College

Amherst College is a private liberal arts college located in Amherst, Massachusetts, United States. Amherst is an exclusively undergraduate four-year institution and enrolled 1,744 students in the fall of 2009...

 with a degree in classics. He moved to Georgia

Georgia (U.S. state)

Georgia is a state located in the southeastern United States. It was established in 1732, the last of the original Thirteen Colonies. The state is named after King George II of Great Britain. Georgia was the fourth state to ratify the United States Constitution, on January 2, 1788...

 and then Florida

Florida

Florida is a state in the southeastern United States, located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a population of 18,801,310 as measured by the 2010 census, it...

 where he held various teaching positions, and married Mary Ann Hancock in 1839. In the early 1840s, he received a medical education, acquiring his MD in 1846. In 1847, he settled in Apalachicola, Florida

Apalachicola, Florida

Apalachicola is a city in Franklin County, Florida, on US 98 about southwest of Tallahassee. The population was 2,334 at the 2000 census. The 2005 census estimated the city's population at 2,340...

, remaining there for the rest of his life working as a physician.

Botanical works

His botanical interest seems to have started when he lived in Georgia, adjacent to the botanically unexplored regions of northern Florida. Working in near isolation, in his spare time, he had a manuscript by 1859, and visited Harvard University

Harvard University

Harvard University is a private Ivy League university located in Cambridge, Massachusetts, United States, established in 1636 by the Massachusetts legislature. Harvard is the oldest institution of higher learning in the United States and the first corporation chartered in the country...

 for five months, consulting with Asa Gray

Asa Gray

-References:*Asa Gray. Dictionary of American Biography. American Council of Learned Societies, 1928–1936.*Asa Gray. Encyclopedia of World Biography, 2nd ed. 17 Vols. Gale Research, 1998.*Asa Gray. Plant Sciences. 4 vols. Macmillan Reference USA, 2001....

 and arranging for publication, which occurred in 1860. Chapman brought out a second edition in 1884, and a third edition in 1897.

Memorials

• He is memorialized in the genus Chapmania.
• Chapman High School and Chapman Elementary School in Apalachicola were named in his honor.