How old was Robert Louis Stevenson in Dr. Jekyll and Mr. Hyde?

Hobart BosworthHobart Bosworth was 40 in Dr. Jekyll and Mr. Hyde as 'Dr. Jekyll/ Dr.Hyde'.

Birthday: Fri, Aug 09 1867 –
Thu, Dec 30 1943

Otis TurnerOtis Turner was >> in Dr. Jekyll and Mr. Hyde as 'Director, Director of Photography'

Birthday: Unknown Birthday

Thomas Russell SullivanThomas Russell Sullivan was 58 in Dr. Jekyll and Mr. Hyde as 'Screenplay'

Birthday: Wed, Nov 21 1849 –
Wed, Jun 28 1916

Luella ForepaughLuella Forepaugh was >> in Dr. Jekyll and Mr. Hyde as 'Creative Producer, Screenplay'

Birthday: Unknown Birthday

George F. FishGeorge F. Fish was >> in Dr. Jekyll and Mr. Hyde as 'Creative Producer, Screenplay'

Birthday: Unknown Birthday

William Nicholas SeligWilliam Nicholas Selig was 44 in Dr. Jekyll and Mr. Hyde as 'Producer'

Birthday: Mon, Mar 14 1864 –
Thu, Jul 15 1948

Robert Louis StevensonRobert Louis Stevenson would have been no older than 44 in Dr. Jekyll and Mr. Hyde as 'Novel'

Birthday: Wed, Nov 13 1850 –
Mon, Dec 03 1894