As a plant scientist, he may have saved more lives than anyone else in history as many as a billion, by some estimates.

VOA: special.2009.09.22

Some people say he saved more lives than anyone else in history.

VOA: special.2009.11.10

Some of my friends got rich by riding someone else's coat tails.

VOA: special.2010.05.09

Some of the animals live nowhere else on Earth.

VOA: special.2009.12.16

"I started thinking about where else can I get some kind of reasonable rate of return where return can actually be defined more fully than just how much money did I make."

VOA: special.2011.01.14