Talk about shooting ourselves in the foot!
There seems to be no real proof that Tsien was a communist, just the same sort of innuendo and hearsay that burned a lot of people during that witch-hunt period. I say, if we had respected the rules of evidence and the discipline of the rule of law, we wouldn't have made a bitter enemy of this valuable immigrant to our shores....
"The guy was a Maoist to the core. Its an embarassment we allowed his education at all."
He was? Really? From what I read in the article, there doesn't seem to be evidence of this at all. College students sitting around at a party and casually bouncing around strange political ideology hardly qualifies--hell, it goes on all the time. And in the 30s, communism was in its infancy, it was something new, and the USSR wasn't a threat to the US then. I'm sure a lot of naive young people discussed it favorably, because of its novelty in world affairs.
Big difference between that and being a cell member with orders from the Kremlin or from an infant communist movement in China. And the evidence doesn't prove the latter beyond a reasonable doubt--indeed, it doesn't even indicate compelling likelihood, in my mind anyway. And so he very well could have been truthful to the INS, in that he never worked to overthrow the government--he just discussed weird politics with college buds in the 30s.
As for the statements he made AFTER returning to China, well, after the kind of treatment he received, and a seemingly typical McCarthyist railroading, I could see MYSELF saying such things out of spite and bitterness had I suffered that treatment.
But all in all, he seemed like a dedicated technical scientist when all is said and done--his passion was for his work, not politics. At least this is how THIS article paints him. Maybe there is another view to see somewhere else though....