Martha Ripley, American physician (born 1843)

Martha George Rogers Ripley was an American physician, suffragist, and professor of medicine. Founder of the Maternity Hospital in Minneapolis, Minnesota, Ripley was one of the most outspoken activists for disadvantaged female rights. A prominent leader in the American Woman Suffrage Association, Ripley also served six years as president of the Minnesota Woman Suffrage Association.

April 18 is the 108th day of the year in the Gregorian calendar; 257 days remain until the end of the year.