Sentence:  It is noteworthy that the 'electro- weak' theory seems to offer so helpful a line of advance, and I would suggest that as well as taking twistor diagrams more seriously, <WSD>twistorians</WSD> might also take the 'standard model' of quantum field theory more seriously. 
Meaning of the word marked with <WSD> tags:  A mathematician who specializes in twistor theory.