▁ 1 9 3 9 , ▁Joan ▁Margaret ▁Leg ge ,( 2 1 ▁February ▁ 1 8 8 5 ▁– ▁ 4 ▁July ▁ 1 9 3 9 ) ▁a ▁botan ist ▁deput ed ▁by ▁the ▁Royal ▁Botan ic ▁Gard ens , ▁K ew , ▁arrived ▁at ▁the ▁valley ▁to ▁study ▁flowers ▁and ▁while ▁travers ing ▁some ▁rock y ▁s lop es ▁to ▁collect ▁flowers , ▁she ▁sli pped ▁off ▁and ▁lost ▁her ▁life . ▁Her ▁sister ▁later ▁visited ▁the ▁valley ▁and ▁ere cted ▁a ▁mem orial ▁near ▁the ▁spot . ▁ ▁Prof . ▁Ch andra ▁P rak ash ▁K ala , ▁a ▁botan ist ▁deput ed ▁by ▁the ▁Wild life ▁Institute ▁of ▁India , ▁carried ▁out ▁a ▁research ▁study ▁on ▁the ▁flor istics ▁and ▁conservation ▁of ▁the ▁valley ▁for ▁a ▁de cade , ▁beginning ▁in ▁ 1 9 9 3 . ▁He ▁made ▁an ▁invent ory ▁of ▁ 5 2 0 ▁al pine ▁plants ▁exclus ively ▁growing ▁in ▁this ▁national ▁park ▁and ▁author ed ▁two ▁important ▁books ▁- ▁" The ▁Valley ▁of ▁Flow ers ▁- ▁M yth ▁and ▁Re ality " ▁and ▁" E col ogy ▁and ▁Conserv ation ▁of ▁the ▁Valley ▁of ▁Flow ers ▁National ▁Park , ▁Gar h wal ▁H imal aya . ▁ ▁Tim eline ▁ 1 8 6 2 : ▁The ▁P ush p aw ati ▁Valley ▁was ▁discovered ▁by ▁Col . ▁Edmund ▁S my th ; ▁▁ 1 9 3 1 : ▁The ▁valley ▁visited ▁by ▁the ▁clim ber ▁Frank ▁S . ▁S my the ▁who ▁wrote