ne al ▁In lay ▁in ▁the ▁United ▁States ▁in ▁both ▁the ▁clin ical ▁tri als ▁and ▁commer cially . ▁He ▁continues ▁to ▁particip ate ▁in ▁and ▁consult ▁for ▁many ▁F DA ▁clin ical ▁tri als . ▁ ▁S lade ▁was ▁the ▁featured ▁sur geon ▁on ▁the ▁Em my ▁Award ▁winning ▁P BS ▁document ary ▁" 2 0 / 1 0 ▁by ▁ 2 0 1 0 ?" ▁narr ated ▁by ▁Walter ▁C ron k ite . ▁ ▁References ▁ ▁Category : Year ▁of ▁birth ▁missing ▁( l iving ▁people ) ▁Category : L iving ▁people ▁Category : American ▁o ph th alm olog ists ▁Category : L AS IK <0x0A> </s> ▁Sieg fried ▁Friedrich ▁Wilhelm ▁Erd mann ▁Graf ▁von ▁Ro ed ern ▁( born ▁ 2 7 ▁July ▁ 1 8 7 0 ▁in ▁Mar burg , ▁died ▁ 1 4 ▁April ▁ 1 9 5 4 ▁in ▁Ber gen , ▁Upper ▁Bav aria ), ▁( West ▁Germany ) ▁was ▁a ▁German ▁politician . ▁He ▁served ▁as ▁Secretary ▁in ▁the ▁Ministry ▁for ▁Als ace - L or raine ▁from ▁ 1 9 1 4 ▁to ▁ 1 9 1 6 , ▁and ▁as ▁Secretary ▁for ▁the ▁Tre as ury ▁and ▁Minister ▁of ▁State ▁( 1 9 1 6 – 1 9 1 8 ). ▁ ▁A ▁member ▁of ▁a ▁noble ▁Pr uss ian ▁family , ▁he ▁studied ▁law ▁in ▁Fre ib urg , ▁Berlin , ▁Gene va ▁and ▁Mar burg ▁and ▁became ▁a ▁lawyer ▁in ▁ 1 8 9 3 . ▁For ▁most