Constant Lambert noted  The most successful time traveler of our days was undoubtedly Serge Diaghileff. 
( ( Constant Lambert ) ( ( noted ( ( ( The ( ( most successful ) ( time traveler ) ) ) ( of ( our days ) ) ) ( ( was undoubtedly ) ( Serge Diaghileff ) ) ) ) . ) )
(ROOT (S (NP (NNP Constant) (NNP Lambert)) (VP (VBD noted) (SBAR (S (NP (NP (DT The) (ADJP (RBS most) (JJ successful)) (NN time) (NN traveler)) (PP (IN of) (NP (PRP$ our) (NNS days)))) (VP (VBD was) (ADVP (RB undoubtedly)) (NP (NNP Serge) (NNP Diaghileff)))))) (. .)))
Serge Diaghileff was the most successful time traveler.
( ( Serge Diaghileff ) ( ( was ( the ( ( most successful ) ( time traveler ) ) ) ) . ) )
(ROOT (S (NP (NNP Serge) (NNP Diaghileff)) (VP (VBD was) (NP (DT the) (ADJP (RBS most) (JJ successful)) (NN time) (NN traveler))) (. .)))