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now i could understand, how do you know Prof.BJ HAbibie ?

I do not know Prof Bj. Habibie personally, but I have often read biographies about him and I admire him and he is a former President of my home country

i knew it, that what drag my curiosity about you.

yes he is. Habibie is a good man, a genius scientist, and he found the law of fatigue in metal i think.

Yes, that's him