At the age of 40 he was credited with revolutionizing the field of modern linguistics.
1	At	at	ADP	IN	_	3	case	3:case	Discourse=elaboration-additional:5->4:0
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	3:det	Entity=(11-abstract-new-cf3-2-sgl
3	age	age	NOUN	NN	Number=Sing	8	obl	8:obl:at	_
4	of	of	ADP	IN	_	5	case	5:case	_
5	40	40	NUM	CD	NumForm=Digit|NumType=Card	3	nmod	3:nmod:of	Entity=11)
6	he	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	8	nsubj:pass	8:nsubj:pass	Entity=(2-person-giv:act-cf1*-1-ana-Noam_Chomsky)
7	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	8	aux:pass	8:aux:pass	_
8	credited	credit	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	0:root	_
9	with	with	SCONJ	IN	_	10	mark	10:mark	_
10	revolutionizing	revolutionize	VERB	VBG	VerbForm=Ger	8	advcl	8:advcl:with	_
11	the	the	DET	DT	Definite=Def|PronType=Art	12	det	12:det	Entity=(9-abstract-giv:act-cf2-2-coref
12	field	field	NOUN	NN	Number=Sing	10	obj	10:obj	_
13	of	of	ADP	IN	_	15	case	15:case	_
14	modern	modern	ADJ	JJ	Degree=Pos	15	amod	15:amod	_
15	linguistics	linguistics	NOUN	NN	Number=Sing	12	nmod	12:nmod:of	Entity=9)|SpaceAfter=No
16	.	.	PUNCT	.	_	8	punct	8:punct	_
