Up until his death in September two thousand nine, Borlaug was still working on agricultural projects.

VOA: special.2009.11.10

During the next twenty years, until his death, he wrote more than five hundred more songs.

VOA: special.2009.02.15

He was one of the country's top blues musicians until his death in nineteen eighty-three.

VOA: special.2009.06.21

He held the title until his death in nineteen forty-eight.

VOA: special.2010.01.18

He continued to broadcast on VOA until not long before his death in 1996, at the age of 75.

VOA: special.2009.01.30

When he stopped teaching at Howard, he continued giving singing lessons in his Washington home until the week before his death.

VOA: special.2010.03.07

Norman Borlaug taught at Texas A&M University and worked on international projects until not long before his death on September twelfth.

VOA: special.2009.09.22

He kept on performing weekly until a few months before his death.

VOA: special.2009.09.27