"Seeds of Change: Planting a Path to Peace" is a graphic biography of Kenyan scientist Wangari Maathai, the first African woman and the first what to win a Nobel Peace Prize (in 2004)?
Environmentalist The Peace Prize was awarded "for her contribution to sustainable development, democracy and peace", recognising her work, including planting trees in Africa.
Which is a saying attributed to Lester B. Pearson, 14th Prime Minister of Canada and winner of the Nobel Peace Prize in 1957?