▁be ▁one ▁of ▁the ▁world ' s ▁leading ▁research ers ▁and ▁pione ers ▁in ▁the ▁field ▁of ▁marine ▁hyd rod ynam ics . ▁▁ ▁His ▁contributions ▁were ▁in ▁the ▁area ▁of ▁ship ▁waves , ▁ship ▁man eu ver ability , ▁floating ▁systems ▁in ▁waves , ▁and ▁ship - generated ▁solit ary ▁waves . ▁In ▁ 1 9 6 0 , ▁he ▁and ▁Edmund ▁V . ▁La it one ▁published ▁the ▁compreh ensive ▁review ▁article ▁Sur face ▁W aves , ▁which ▁to ▁this ▁day ▁is ▁still ▁an ▁important ▁resource ▁for ▁understanding ▁the ▁dynamics ▁of ▁water ▁waves . ▁We hausen ▁was ▁emer it us ▁professor ▁of ▁engineering ▁science ▁at ▁the ▁University ▁of ▁California , ▁Ber keley . ▁ ▁Education ▁and ▁career ▁We hausen ▁mat ric ulated ▁at ▁the ▁University ▁of ▁Michigan ▁where ▁he ▁earned ▁B . S . ▁( 1 9 3 4 ) ▁and ▁Ph . D . ▁degrees ▁in ▁mathematics ▁( 1 9 3 8 ) ▁as ▁well ▁as ▁an ▁M . S . ▁in ▁physics ▁( 1 9 3 5 ). ▁In ▁ 1 9 3 7 , ▁We hausen ▁began ▁his ▁first ▁teaching ▁position ▁as ▁an ▁instruct or ▁in ▁mathematics ▁at ▁Brown ▁University . ▁After ▁Brown , ▁We hausen ▁spent ▁teaching ▁st ints ▁at ▁Columbia ▁University ▁and ▁the ▁University ▁of ▁Missouri ▁before ▁working ▁for ▁the ▁U . S . ▁Navy ▁during ▁World ▁War ▁II ▁in ▁operations ▁research . ▁He ▁joined ▁the ▁David ▁Taylor ▁Model ▁Bas in ▁as ▁a ▁math ematic ian , ▁and ▁during ▁his ▁three - year ▁ten ure ▁there