Identify the class of the italicized pronoun (s) in the sentence. einstein himself would be amazed the growth in technology based on his theories.

In the given sentence, 'himself' is used as an emphatic pronoun; it serves to emphasize 'Einstein.' 'Himself' can also be a reflexive pronoun, but in this case it is not, since 'Einstein' is not both the subject and the object of the sentence's verb.)