Liviu Librescu
Liviu Librescu
Liviu Librescu (August 18, 1930 – April 16, 2007; Hebrew: ליביו ליברסקו) was a Romanian born and educated Israeli-American scientist and academic whose major research fields were aeroelasticity and aerodynamics. His most recent position was Professor of Engineering Science and Mechanics at Virginia Tech.[3] The 76-year-old Holocaust survivor was shot and killed in the Virginia Tech massacre while holding off the gunman at the entrance to his classroom so his students could escape through the windows.[4]
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| Born | August 18, 1930 PloieÅŸti, Kingdom of Romania |
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| Died | April 16, 2007 (aged 76) Blacksburg, Virginia, U.S. |
| Citizenship |  Israel United States |
| Field | Engineering |
| Institutions | Virginia Tech Tel Aviv University Technion[1][2] |
| Alma mater | Polytechnic University of Bucharest |
| Known for | Research in aeroelasticity and aerodynamics |
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Life and career
Liviu Librescu was born in 1930 to a Jewish family in the city of PloieÅŸti, Romania. After Romania allied with Nazi Germany in World War II, his father, Isidore Librescu, was deported to a labor camp in Transnistria (World War II region), and later his family, along with thousands of other Jews, was deported to a ghetto in the Romanian city of FocÅŸani.[5][6] Liviu as a boy was interned in a labor camp in Transnistria. Some sources report that he was taken to a Soviet labor camp.[6] Speaking to Israeli Channel 10 TV the day after his death, his wife Marlena, who is also a Holocaust survivor, said, “We were in Romania during the Second World War, and we were Jews there among the Germans, and among the anti-Semitic Romanians.”[5] Speaking to BBC after his death, his son Joe said Liviu did not wish to talk much about that period of his life. Dorothea Weisbuch, a cousin of Librescu living in Romania, said in an interview to Romanian newspaper Cotidianul: “He was an extraordinarily gifted person and very altruist. When he was little, he was very curious and knew everything, so that I thought he would become very conceited, but it did not happen so; he was of a rare modesty.”[7]
Liviu Librescu survived the Holocaust, and was repatriated to Communist Romania and became an accomplished scientist.[5] He studied aerospace engineering at the Polytechnic University of Bucharest, graduating in 1952 and continuing with a master degree at the same university. He was awarded a Ph.D. in fluid mechanics in 1969 at the Academia de Ştiinţe din România.[8] From 1953 to 1975, he worked as a researcher at the Bucharest Institute of Applied Mechanics, and later at the Institute of Fluid Mechanics and the Institute of Fluid Mechanics and Aerospace Constructions of the Academy of Science of Romania.
His career stalled in the 1970s because he refused to swear allegiance to the Communist Party of Romania and was forced out of academia there for his sympathies towards Israel.[5] When Librescu requested permission to emigrate to Israel, he was fired from his job.[9][5] In 1976, a smuggled research manuscript that he had published in the Netherlands drew him international attention in the growing field of material dynamics.[10]
After years of government refusal, Israeli Prime Minister Menachem Begin personally intervened to get the Librescu family an emigration permit by directly asking Romanian President Nicolae CeauÅŸescu to let them go.[11][5] They moved to Israel in 1978.
From 1979 to 1986, Librescu was Professor of Aeronautical and Mechanical Engineering at Tel-Aviv University and taught at the Technion in Haifa.[11] In 1985, he left on sabbatical for the United States, where he served as Professor at Virginia Tech from September 1, 1985 until his death.[11][12] He served as a member on the editorial board of seven scientific journals and was invited as a guest editor of special issues of five other journals.[13] Most recently, he was co-chair of the International Organizing Committee of the 7-th International Congress on Thermal Stress, Taipei, Taiwan, Republic of China, June 4, 2007 to 7, and was scheduled to give the invited keynote lecture there.[3][13] According to his wife, no other Virginia Tech professor has ever published more articles than Librescu.[11]
Librescu in Israel for his grandson’s bris in 2004.[11]
Fields of research
Librescu’s major fields of study included:[13]
- Foundation and applications of the modern theory of shells incorporating non-classical effects and composed of advanced composite materials
- Foundation of the theory and applications of sandwich type structures
- Aeroelastic stability of flight vehicle structures
- Nonlinear aeroelasticity of structures in supersonic and hypersonic flow fields
- Aeroelastic and structural tailoring
- Dynamic response and instability of elastic and viscoelastic laminated composite structures subjected to deterministic and random loading systems
- Mechanical and thermal postbuckling of flat and curved shear-deformable elastic panels
- Static, dynamic and aeroelastic feedback control of adaptive structures
- Unsteady aerodynamics and magnetoaerodynamics of supersonic flows with applications
- Optimization problems of aeroelastic structural systems
- Theory of composite thin-walled beams and its application in aeronautical and mechanical constructions
- Response and behavior of structures to underwater and in-air explosions
- Multifunctional and functionally graded material structures.
[edit] Death and legacy
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At age 76,[11] Librescu was among the thirty-two people who were murdered in the Virginia Tech massacre. On April 16, 2007, Seung-Hui Cho entered Norris Hall Engineering Building and opened fire on classrooms. Librescu, who taught a solid mechanics class in Room 204 in the Norris Hall during April 2007,[14][15][16] held the door of his classroom shut while Cho was attempting to enter it. Although he was shot through the door, Librescu was able to prevent the gunman from entering the classroom until most of his students had escaped through the windows.[17][18][19] He was struck by five bullets[20], with a shot to the head ending his life [21] Of the 23 registered students, one, Minal Panchal, died.[15]
A number of Librescu’s students have called him a hero because of his actions. One student, Asael Arad, said that all the professor’s students “lived because of him.”[22] Caroline Merrey, a senior, said she and about 20 other students scrambled through the windows as Librescu shouted for them to hurry. Merrey, previously seated in the rear of the room while next to the windows, stated that she was the third student to leave Norris 204.[20] Merrey said that “I don’t think I would be here if it wasn’t for [Librescu].”[23] Librescu’s son, Joe, said he had received e-mails from several students who said he had saved their lives and regarded him as a hero[11] while many newspapers also reported him as the hero of the massacre.
Following the murder of Librescu, his son Arieh contacted the Chabad movement to secure that his father’s body would be treated according to Jewish law and that the body was released immediately for Jewish burial in Israel. With the assistance of Gov. Timothy M. Kaine, the body was released on April 17 and brought to New York via police escort.[24] On April 18, Librescu received a funeral service at a Jewish Orthodox funeral home in Borough Park, Brooklyn, New York City, New York[20] and on April 20, he was interred in Israel.[25] In his native Romania, his picture was placed on a table at the Polytechnic University of Bucharest, and a candle was lit. People laid flowers nearby.[5]
Marlena Librescu stated that her husband’s favorite Jewish commandment was that Jews should light Shabbat candles.[26] On Friday eve April 20, 2007, the Chabad movement spearheaded a campaign to light Shabbat candles.[27] Following the funeral, the Chabad on Campus Foundation announced their intention to establish a chapter in Librescu’s name at Virginia Tech.[28]
The murder took place on the day of Israel’s commemoration of Yom HaShoah (Holocaust Remembrance Day). On April 18, 2007 U.S. President George Bush honored Librescu at a memorial service held at the US Holocaust Museum to a crowd that included many Holocaust survivors:
That day we saw horror, but we also saw quiet acts of courage. We saw this courage in a teacher named Liviu Librescu. With the gunman set to enter his class, this brave professor blocked the door with his body while his students fled to safety. On the Day of Remembrance, this Holocaust survivor gave his own life so that others may live. And this morning we honor his memory and we take strength from his example.[29]
Honors and awards
Librescu received many academic honors during his work at Virginia Tech, serving as chair or invited as a keynote speaker of several International Congresses on Thermal Stresses and receiving several honorary degrees. He was elected member of the Academy of Sciences of the Shipbuilding of Ukraine (2000) and Foreign Fellow of the Academy of Engineering of Armenia (1999). He was a recipient of Doctor Honoris Causa of the Polytechnic Institute of Bucharest (2000), of the 1999 Dean’s Award for Excellence in Research, College of Engineering at Virginia Tech, and a laureate of the Traian Vuia Prize of the Romanian Academy (1972). He was a member of the Board of Experts of the Italian Ministry of Education, University and Scientific Research. He was awarded a Frank J. Maher Award for Excellence in Engineering Education (2005) and an ASME diploma (2005) expressing “the deep appreciation for the valuable services in advancing the engineering profession”.[13]
Posthumously, Professor Librescu was commended by Traian Băsescu, the President of Romania, with the Star of Romania Order with the rank of Grand Cross, “as a sign of high appreciation and gratitude for the entire scientific and academic activity, as well as for the heroism shown in the course of the tragic events which took place on April 16th, 2007, [...] through which he saved the lives of his students, sacrificing his own life.”[30]
[edit] Publications
This is a partial list of books that Librescu authored:[31]
- Librescu, Liviu; Ohseop Song (2006). Thin-walled composite beams: Theory and Application. Dordrecht, The Netherlands: Springer. ISBN 9781402034572. OCLC 62363828.
- Cederbaum, G.; Elishakoff, I., Aboudi, J. and Librescu, L. (1992). Random Vibrations and Reliability of Composite Structures. Lancaster-Basel: Technomic Publishing Co.
- Librescu, Liviu (1976). Elastostatics and Kinetics of Anisotropic and Heterogeneous Shell-Type Structures. Leyden: Noordhoff International. ISBN 9789028600355. OCLC 2092328.
- Librescu, Liviu (1969). Statica şi dinamica structurilor elastice anizotrope şi eterogene (in Romanian). Bucharest: Editura Academiei Republicii Socialiste România. OCLC 17866878.
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Comments
4 Responses to “Liviu Librescu”
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[...] not much older than Cho when Cho’s family immigrated.) He survived and his life is posted on EzineBlog. He was rational and math-savvy, knew well the odds when he held the door shut to let his students [...]
How ironic is it that he survived the Holocaust, came to America where he should have been safe and ended up getting killed. What is the US coming to, what are we going to do to turn these acts of violence around? Thanks to Liviu Librescu his students lived.
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He was a brave man to block the door knowing he was taking the chance of giving his life for his students. To have lived through and escaped the Holocaust, he knew how precious life was. He knew the high cost to him of the gift he was giving to his students, I hope his students realize and appreciate the gift he gave them.
[Reply]
Thanks to Liviu Librescu his students are alive. He knew the risk when he barred the door. He sounds like a man to me who realizes the consequences of actions and does not hesitate to take action. The students will do well to not only remember him but to try to emulate him in life as well.
[Reply]