Dr. Ming Wang, Harvard & MIT (MD); PhD (laser physics), has an article in the Tennessean, about immigrants' contribution to America. A must-read
We are a nation of immigrants of the past and present.
Immigrants contribute significantly to the American economy. Based on a report from New American Economy, in 2016, 40.2 percent of Fortune 500 companies have been founded by immigrants or their children. These firms generate $4.8 trillion in revenue.