johanna maria quandt ("née" bruhn; 21 june 1926 – 3 august 2015) was a business woman and the widow of german industrialist herbert quandt, who resurrected bmw from bankruptcy. when she died in 2015 she was the 8th richest person in germany (and the richest german woman), 77th richest person in the world, and the 11th richest woman worldwide according to forbes.