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中国氢弹之父余敏，享年93岁。_我的网站
A | 据《光明日报》1月16日官方微博报道，国防科技改革与发展的重要推动者、先锋余敏于1月16日在北京逝世，享年93岁。于敏1926年8月出生。
B | 1944年，于敏被北京大学机电工程系录取。1946年，由于对理论物理的热爱，于民转学到理学院物理系，并以理论物理为专业。 ATLANTA -- A homeowner is mulling the next step after a company mistakenly demolished a home she owned in southwest Atlanta. Susan Hodgson told WAGA-TV on Friday that when she returned from vacation she found a pile of rubble in place of what used to be her longtime family property.“I’m just left with a big ole mess,” Hodgson said.She said a neighbor called her while she was away, and asked if someone had been hired to tear down the vacant house.“I said ‘no’ and she said, 'Well there’s someone over here who just demolished the whole house and tore the entire house down,'” Hodgson said.When the neighbor confronted them, Hodgson said, the workers got nasty.“He told her to shut up and mind her own business,” Hodgson said.So she sent a family member over to see what was going on and who asked to see a permit. When a person in charge at the site checked his permit, Hodgson says he admitted he was at the wrong address. “It’s been boarded up about 15 years, and we keep it boarded, covered, grass cut, and the yard is clean. The taxes are paid and everything is up on it,” she said.Hodgson said she hasn’t heard anything from the Atlanta-based company responsible, You Call It We Haul It.“It’s just hard to believe someone thinks they have the right to just come and tear something up and walk away from it and didn’t come back and say ‘I’m sorry. What do I need to do to fix this. It was an accident.’ They didn’t give me nothing,” Hodgson said.“I think he owes us an apology, and he needs to fix the problem,” Hodgson said.The company did not immediately return a telephone message left Saturday by The Associated Press. In a statement to the television station, the company said it is investigating and working to resolve the mishap.。1949年，俞敏石在张宗照任研究生兼助教。
C | 1951年以来，在中国科学院现代物理研究所任助理研究员、副研究员，在中国理论物理学家彭焕武的指导下开始了核理论的研究。1960年底，俞敏开始研究核武器理论，突破氢弹原理，解决了热核武器物理中的一系列基础和关键理论问题。1961年，俞敏彪被任命为第二航空部参加氢弹原理的研究。1964年10月，在邓家贤的领导下，中国第一颗原子弹成功爆炸，随后由于敏领导的研制小组于1967年研制出中国第一颗氢弹。2015年1月9日，于敏获得2014年全国最高科技奖。在2018年召开的庆祝改革开放40周年大会上，党中央、国务院决定授予郁敏等100名同志改革先锋称号和改革先锋奖章。
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