9 ▁ ▁References ▁ ▁External ▁links ▁▁▁▁▁▁▁ ▁Category : 1 8 7 1 ▁birth s ▁Category : 1 9 6 4 ▁death s ▁Category : Pe ople ▁from ▁Brook lyn ▁Category : American ▁botan ists ▁Category : B rown ▁University ▁al umn i ▁Category : B rown ▁University ▁fac ulty ▁Category : Univers ity ▁of ▁California ▁al umn i ▁Category : Univers ity ▁of ▁California ▁fac ulty ▁Category : Har vard ▁University ▁fac ulty ▁Category : M embers ▁of ▁the ▁United ▁States ▁National ▁Academy ▁of ▁Sciences ▁Category : S cient ists ▁from ▁New ▁York ▁( state ) <0x0A> </s> ▁Hermann ▁H äng gi ▁( 1 5 ▁October ▁ 1 8 9 4 ▁– ▁ 2 1 ▁November ▁ 1 9 7 8 ) ▁was ▁a ▁Swiss ▁g ymn ast ▁and ▁Olympic ▁Champion . ▁He ▁competed ▁at ▁the ▁ 1 9 2 8 ▁Summer ▁Olympics , ▁where ▁he ▁won ▁two ▁gold ▁med als , ▁one ▁silver ▁and ▁one ▁bronze ▁medal . ▁ ▁References ▁ ▁Category : 1 8 9 4 ▁birth s ▁Category : 1 9 7 8 ▁death s ▁Category : Sw iss ▁male ▁art istic ▁g ymn asts ▁Category : G ymn asts ▁at ▁the ▁ 1 9 2 8 ▁Summer ▁Olympics ▁Category : O lymp ic ▁g ymn asts ▁of ▁Switzerland ▁Category : O lymp ic ▁gold ▁medal ists ▁for ▁Switzerland ▁Category : O lymp ic ▁silver ▁medal ists ▁for ▁Switzerland ▁Category : O lymp ic ▁bronze ▁medal ists ▁for ▁Switzerland ▁Category : O lymp ic ▁medal ists ▁in ▁g ymn