Clarence Edwin Ayres
Clarence Edwin Ayres ( May 6 , 1891 – July 24 , 1972 ) was the principal thinker in the Texas school of Institutional Economics , during the middle of the 20th century . 
<triplet> Clarence Edwin Ayres <subj> May 6, 1891 <obj> date of birth <subj> July 24, 1972 <obj> date of death