Goh Keng Swee’s papaya trees

When Goh Keng Swee made his visits to army camps, he was every impressed
with the neatness and vastness of the camps. There was plenty of space
for the soldier boys during his days. There were also plenty of greens.
Being an economist, he could not tolerate waste. He saw the open space
and wanted them to be productive and useful. He gave it some thoughts
and came up with the idea of papaya