, ▁ 1 9 2 3 ▁– ▁August ▁ 3 , ▁ 1 9 8 7 ) ▁was ▁a ▁Democratic ▁member ▁of ▁the ▁U . S . ▁House ▁of ▁Representatives ▁from ▁Pennsylvania . ▁ ▁Mo or head ▁was ▁born ▁in ▁Pitts burgh , ▁Pennsylvania , ▁the ▁son ▁of ▁prominent ▁att orney ▁William ▁S inger ▁Mo or head , ▁Sr ▁( 1 8 8 3 – 1 9 5 2 ). ▁ ▁He ▁attended ▁Sh ady ▁Side ▁Academy , ▁graduated ▁from ▁Phill ips ▁And over ▁Academy ▁in ▁ 1 9 4 1 ▁and ▁from ▁Y ale ▁University ▁in ▁ 1 9 4 4 , ▁where ▁he ▁was ▁a ▁member ▁of ▁Sk ull ▁and ▁B ones . ▁▁▁ ▁He ▁served ▁in ▁the ▁United ▁States ▁Navy ▁from ▁ 1 9 4 3 ▁until ▁he ▁was ▁dis charg ed ▁as ▁a ▁lieutenant ▁( j g .) ▁in ▁ 1 9 4 6 ▁with ▁service ▁in ▁the ▁Pacific ▁Theater . ▁Mo or head ▁married ▁the ▁former ▁Lucy ▁Gal pin , ▁and ▁they ▁had ▁four ▁children . ▁He ▁graduated ▁from ▁Harvard ▁Law ▁School ▁in ▁ 1 9 4 9 . ▁ ▁He ▁served ▁as ▁Ass istant ▁City ▁Sol ic itor ▁of ▁Pitts burgh ▁from ▁ 1 9 5 4 ▁to ▁ 1 9 5 7 , ▁as ▁a ▁member ▁of ▁Al leg hen y ▁County ▁H ous ing ▁Author ity ▁from ▁ 1 9 5 6 ▁to ▁ 1 9 5 8 , ▁and ▁the ▁Pitts burgh ▁Art ▁Commission ▁in ▁ 1 9 5 8 . ▁ ▁He ▁was