Amazing. Today’s WTF find, with W being “why???” in this case.

She lived in a tiny one-bedroom cottage in Lake Forest, Ill.

She bought her clothes at rummage sales, didn’t own a car and worked most of her life as a secretary for a pharmaceutical company.

Yet after her death at age 100, Grace Groner left Lake Forest College a gift of $7 million to be used for scholarships. The money came from three shares of stock she bought — and held on to — in 1935.