( ( 1659 ( AngloIrish ( physicist ( and ( chemist ( Robert Boyle ) ) ) ) ) ) ( ( develops ( ( ( an ( air pump ) ) ( for ( creating vacuums ) ) ) ( , ( ( confirms ( ( Galilei 's ) view ) ) ( that ( bodies ( ( ( ( fall ( in ( a vacuum ) ) ) ( at ( the ( same rate ) ) ) ) , ) ( regardless ( of weight ) ) ) ) ) ) ) ) ) ; ) )
(ROOT (S (NP (NNP 1659) (NNP AngloIrish) (NN physicist) (CC and) (NN chemist) (NNP Robert) (NNP Boyle)) (VP (VBZ develops) (SBAR (S (NP (NP (DT an) (NN air) (NN pump)) (PP (IN for) (S (VP (VBG creating) (NP (NNS vacuums)))))) (, ,) (VP (VBZ confirms) (NP (NP (NNP Galilei) (POS 's)) (NN view)) (SBAR (IN that) (S (NP (NNS bodies)) (VP (VBP fall) (PP (IN in) (NP (DT a) (NN vacuum))) (PP (IN at) (NP (DT the) (JJ same) (NN rate))) (, ,) (ADVP (RB regardless) (PP (IN of) (NP (NN weight))))))))))) (: ;)))
1659 AngloIrish physicist and chemist Robert Boyle develops an air pump for creating  vacuums, confirms Galilei's view that bodies fall in a vacuum at the same rate, regardless of weight;
(ROOT (S (NP (NP (CD One)) (PP (IN of) (NP (DT the) (JJS earliest) (NN air) (NNS pumps)))) (VP (VBD was) (VP (VBN made) (PP (IN by) (NP (JJ robert) (NN boyle))))) (. .)))