Irving Fisher, of debt-deflation theory fame, apparently invented the rolodex.
I did not know that.
I'm reading some of Fisher's old work from the 1890s... very interesting stuff.
Procrastinating on February 26, 2017
3 hours ago
Daniel Kuehn is a doctoral candidate and adjunct professor in the Economics Department at American University. He has a master's degree in public policy from George Washington University.