http://kentridgecommon.com/?p=4962
Even if you had been successful for 16 years, it could still turn bad.
https://en.wikipedia.org/wiki/Douglas_Prasher
I'm a chem phd driving for lyft while I'm running my nonprofit science outfit. Some of my passengers have told me there are others out there.
"What did one New York City cabbie say to another? So, what did you get your PhD in?"
... was a well known joke when I was a grad student in the late 80's.
http://www.tsienlab.ucsd.edu/People.htm
http://kentridgecommon.com/?p=4962
Even if you had been successful for 16 years, it could still turn bad.