Gerald O. Barney (December 15, 1937 – September 9, 2020) was an American physicist, and expert in the field of sustainable development, known as principal author of The Global 2000 Report to the President.
[1][2] Barney was born in 1937, and started his studies at the Goethe University Frankfurt in the year 1958–59.
He then returned the States to Salem, Oregon, where he obtained his BA at the Willamette University in 1961.
Six years later he obtained his PhD in physics at the University of Wisconsin–Madison, with a thesis on fusion energy.
[3] After graduation Barney conducted postdoctoral research on the management of complex systems at MIT in 1970. he then joined the Rockefeller Brothers Fund as staff member in the field of environmental studies.