nils august johanson was born in lund, sweden. johanson immigrated to the united states from sweden in 1893. he enrolled in the university of denver and completed his medical degree in 1903. he subsequently moved to the pacific northwest, first to tacoma then to seattle in 1907. in 1908, a group of 10 area businessmen joined johanson in signing incorporation papers for swedish hospital. the hospital's incorporation papers stipulated that only swedish americans could be trustees, a requirement that would remain in place until 1967. dr. johanson led the hospital until the mid-1940s. as of 2014 the swedish medical center operates five hospital campuses and a network of more than 100 primary-care and specialty clinics, has 9,450 employees and 6,023 credentialed physicians.