Your suggestion may have some merit, but in my opinion your examples don't support it. " You may contribute your efforts to/toward a goal, and you may sacrifice your goals to an end, but I don't think you can sacrifice your goals toward an end. "To" has many uses, some of which could be fulfilled by "toward," but I don't think this is one of them.
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Anonymous 1. I remember a professor from (at?? or of?? ) *** University who liked to eat sushi. "From" and "at" are good. "At" implies you were there at the time, "from" implies you were not." You could say, "I remember a professor of Russian Literature from Kiev."
2. Let me introduce to you a professor from (at??) *** University. He he