John J. Siegfried
John J . Siegfried ( born in Allentown , Pennsylvania , on February 23 , 1945 ) is an American economist and Emeritus Professor of Economics at Vanderbilt University . 
<triplet> John J. Siegfried <subj> February 23, 1945 <obj> date of birth <triplet> Allentown, Pennsylvania <subj> American <obj> country