She is eighteen months younger than I, but seems much more alert.

I suppose brickbats are livelier than logarithms!" Miss Mitchell was a member of several learned societies.
She was the first woman elected to membership of the American Academy of Arts and Sciences, whose headquarters are at Boston.
In 1869 she was chosen a member of the American Philosophical Society, a society founded by Benjamin Franklin, in Philadelphia.
The American Association for the Advancement of Science made her a member in the early part of its existence.

Miss Mitchell was one of the earliest members of the American Association for the Advancement of Women.

At one period she was president of the association, and for many years served as chairman of the committee on science.

In this latter capacity she reached, through circulars and letters, women studying science in all parts of the country; and the reports, as shown from year to year, show a wonderful increase in the number of such women.