Norman Borlaug, of the University of Minnesota, DuPont and the Rockefeller Foundation has died in Texas at the age of 95. You may well owe your life to Borlaug.
Prof Borlaug won the Nobel Peace Prize in 1970 for agricultural innovation and the development of high-yield crops.
The Green Revolution helped world food production more than double between 1960 and 1990 with Asia, Africa and Latin America in particular benefiting.
The Nobel Institute said he had helped save hundreds of millions of lives.
Prof Borlaug died late on Saturday evening at his home in Dallas from complications with cancer, said a spokesperson for Texas A&M University, where he had worked.