Joseph Lister pioneered the use of carbolic acid to keep wounds clean, and James Young Simpson experimented with chloroform as an anesthetic.
( ( ( ( ( ( Joseph Lister ) ( ( pioneered ( ( the use ) ( of ( carbolic acid ) ) ) ) ( to ( keep ( wounds clean ) ) ) ) ) , ) and ) ( ( James ( Young Simpson ) ) ( ( experimented ( with chloroform ) ) ( as ( an anesthetic ) ) ) ) ) . )
(ROOT (S (S (NP (NNP Joseph) (NNP Lister)) (VP (VBD pioneered) (NP (NP (DT the) (NN use)) (PP (IN of) (NP (JJ carbolic) (NN acid)))) (S (VP (TO to) (VP (VB keep) (S (NP (NNS wounds)) (ADJP (JJ clean)))))))) (, ,) (CC and) (S (NP (NNP James) (NNP Young) (NNP Simpson)) (VP (VBD experimented) (PP (IN with) (NP (NN chloroform))) (PP (IN as) (NP (DT an) (NN anesthetic))))) (. .)))
No one knows who pioneered the use of carbolic acid and chloroform for new purposes.
( ( No one ) ( ( knows ( who ( ( pioneered ( ( the use ) ( of ( carbolic ( ( acid and ) chloroform ) ) ) ) ) ( for ( new purposes ) ) ) ) ) . ) )
(ROOT (S (NP (DT No) (NN one)) (VP (VBZ knows) (SBAR (WHNP (WP who)) (S (VP (VBD pioneered) (NP (NP (DT the) (NN use)) (PP (IN of) (NP (JJ carbolic) (NN acid) (CC and) (NN chloroform)))) (PP (IN for) (NP (JJ new) (NNS purposes))))))) (. .)))