What key details about otto struve can be extracted from the following bio? Bio: '' not to be confused with his grandfather otto wilhelm von struve -lrb- 1819 -- 1905 -rrb- '' otto struve -lrb- august 12 , 1897 -- april 6 , 1963 -rrb- was a ukrainian -- american astronomer . in russian , his name is sometimes given as otto lyudvigovich struve -lrb- -rrb- ; however , he spent most of his life and his entire scientific career in the united states . otto was the descendant of famous astronomers of the struve family ; he was the son of ludwig struve , grandson of otto wilhelm von struve and great-grandson of friedrich georg wilhelm von struve . he was also the nephew of karl hermann struve . with more than 900 journal articles and books , struve was one of the most distinguished and prolific astronomers of the mid-20th century . he served as director of yerkes , mcdonald , leuschner and national radio astronomy observatories and is credited with raising world-wide prestige and building schools of talented scientists at yerkes and mcdonald observatories . in particular , he hired subrahmanyan chandrasekhar and gerhard herzberg who later became nobel prize winners . struve 's research was mostly focused on binary and variable stars , stellar rotation and interstellar matter . he was one of the few eminent astronomers in the pre-space age era to publicly express a belief that extraterrestrial intelligence was abundant , and so was an early advocate of the search for extraterrestrial life .
- death place is berkeley , ca , u.s.a.- prizes is fellow of the royal society- caption is otto struve on a 1949 us post envelope- birth name is - death date is 6 april 1963- ethnicity is german-russian- field is astronomy- birth date is 12 august 1897- name is otto struve- image size is 200px- nationality is american- image is otto struve us post 1949crop.jpg- birth place is kharkiv now ukraine -rrb- , sloboda ukraine , then russian empire -lrb-- alma mater is kharkiv university