John Brown is a reformer in American History because he was an avid abolitionist and focused so much attention on the problem of slavery. His methods were often violent and caused many to hate him.
A reformer who favors abolishing slavery is called an Abolitionist. Frederick Douglas, a former slave, William Lloyd Garrison, John Brown, and Harriet Tubman are among the more famous abolitionists in American history.
John Collier - reformer - was born in 1884.
John Collier - reformer - died in 1968.
John Brown - American author - was born in 1966.
John Hart - spelling reformer - died in 1574.
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john brown opposed slavery
John Hus (1369-1415) If you want to read more on this reformer follow this link.http://www.moravian.org/history/
John Calvin Brown has written: 'Every American's Business'
John Knox was a Protestant/Reformer in 1543.
John Dewey, an American educational reformer, is known as the father of progressive education. He lived from 1859 to 1952.
The major reformer from the reformation is Martin Luther. He is the major reformer from the reformation, because he started the Reformation. As well, as the Swiss reformer Uldrich Zwingli. John Knox, John Calvin, and Henry VIII helped a great deal as well.