1 9 1 7 . ▁ ▁He ▁left ▁for ▁California ▁in ▁ 1 9 1 8 ▁and ▁settled ▁in ▁Seattle . ▁ ▁At ▁the ▁ 1 9 1 8 ▁Spring ▁Ann ual ▁of ▁the ▁San ▁Francisco ▁Art ▁Association ▁( S FA A ) ▁his ▁wood ▁block ▁prints ▁were ▁said ▁to ▁be ▁" es pecially ▁fine ▁in ▁color ." ▁ ▁That ▁summer ▁his ▁art ▁was ▁given ▁a ▁one - man ▁exhibition ▁at ▁the ▁S FA A ▁gall eries ▁and ▁he ▁contributed ▁three ▁color ▁prints ▁( The ▁Ste e ple ▁Ch ase , ▁The ▁Bull ▁Fight , ▁and ▁The ▁Long ▁Beach ) ▁to ▁the ▁Se vent h ▁Ann ual ▁of ▁the ▁California ▁Society ▁of ▁Et ch ers . ▁ ▁By ▁September ▁ 1 9 1 8 ▁P atter son ▁had ▁moved ▁to ▁Seattle ▁to ▁work ▁as ▁a ▁fre el ance ▁artist , ▁perhaps ▁being ▁the ▁first ▁modern ▁artist ▁in ▁that ▁city , ▁and ▁that ▁fall ▁his ▁art ▁was ▁given ▁a ▁solo ▁show ▁at ▁the ▁Seattle ▁Fine ▁Arts ▁Society , ▁the ▁first ▁of ▁many ▁exhib itions ▁in ▁Washington ▁State . ▁In ▁ 1 9 1 9 ▁he ▁established ▁the ▁University ▁of ▁Washington ▁School ▁of ▁P ain ting ▁and ▁Design . ▁P atter son ▁married ▁painter ▁and ▁former ▁student ▁Vi ola ▁Hans en ▁in ▁ 1 9 2 2 , ▁and ▁the ▁two ▁became ▁major ▁figures ▁of ▁the ▁arts ▁in ▁the ▁Pacific ▁North west ▁region . ▁P atter son ▁taught ▁until ▁his ▁ret irement ▁in ▁ 1 9 4 7 . ▁ ▁He ▁died ▁in ▁Seattle ▁in