and z ▁( 1 6 4 0 – 1 6 9 3 ) ▁ ▁Fin lands ▁min nes v är de ▁m än , ▁band ▁ 1 , ▁ 1 8 5 3 - 1 8 5 4 , ▁s . 1 6 1 - 1 7 1 ▁ ▁Ru off , ▁E . ▁T il - Land z , ▁E lias ▁( 1 6 4 0 – 1 6 9 3 ) ▁ ▁Ru off , ▁E . ▁Till and z , ▁E lias ▁( 1 6 4 0 – 1 6 9 3 ▁ ▁References ▁▁ ▁Category : B ot an ists ▁with ▁author ▁abbre vi ations ▁Category : 1 6 4 0 ▁birth s ▁Category : 1 6 9 3 ▁death s ▁Category : Pre - Lin na e an ▁botan ists <0x0A> </s> ▁Franklin ▁Story ▁Mus gra ve , ▁M . D . ▁( born ▁August ▁ 1 9 , ▁ 1 9 3 5 ) ▁is ▁an ▁American ▁phys ician ▁and ▁a ▁retired ▁NASA ▁astr onaut . ▁He ▁is ▁a ▁public ▁speaker ▁and ▁consult ant ▁to ▁both ▁Disney ' s ▁Im agine ering ▁group ▁and ▁App lied ▁M inds ▁in ▁California . ▁In ▁ 1 9 9 6 ▁he ▁became ▁only ▁the ▁second ▁astr onaut ▁to ▁fly ▁on ▁six ▁space fl ights , ▁and ▁he ▁is ▁the ▁most ▁formally ▁educated ▁astr onaut ▁with ▁six ▁academic ▁degrees . ▁Mus gra ve ▁is ▁the ▁only ▁astr onaut ▁to ▁fly ▁ab o ard ▁all ▁five ▁Space ▁Sh utt les . ▁