I knew Professor Levenspiel by reading his famous book “Chemical Reaction Engineering) (CRE) in 1970’s in Shanghai.
The first Chinese chess we played together was in March, 1981 at pizza party in Professor Tom Fitzgerald’s home. That was the first day when I flew from Shanghai to USA for further study and research and Octave picked me up at Eugene airport. Last time we had played Chinese chess together was I visit him and Mary Levenspiel at Willamette View in Portland 2014.
I had been working and studying with him from 1981 to 1983 and 1988 to 1991. I have learned a lot from lab research, attend class, and daily lunch discussion in his office. We have published and presented eight papers around the world in the field of Chemical Kinetics, Reactor Design, Heat Transfer in Fluidized Bed etc. I had translated his solution book to the problems in the Chemical Reaction Engineering book and published in Shanghai in 1982. I had also prepared 386 Solutions to the Odd-Numbered Problems in the Chemical Reactor Omnibook in 1989.
Tave, you are my life time teacher and friend, I am very lucky and happy to have worked with you. My wife, my daughter and I will remember you forever.
My interest in Chemical Engineering started when I first read your book on CRE in 5th semester of my undergrad education. Then only I decided to pursue higher studies in ChE resulting in landing up a PhD admit at IIT Bombay. I am grateful to you for inciting an interest in ChE.
RIP Prof. Levenspiel!
Dear Prof. Levenspiel, your books and legacy will always be a source of great inspiration and motivation, to study and comprehend reactor design and chemical engineering. Thank you very much for sharing with us your vision!
Thank you for your valuable contribution to the Chemical Engineering. Reaction engineering is the subject which identify us as a Chemical Engineer. He will be remembered as a great teacher of all Chemical engineer's across the countries.
Dr. Levenspiel was my favorite professor ever! I graduated in Chemical Engineering in 1979. Shortly thereafter, I went to Israel and talked about Dr. Levenspiel to my Aunt, who lived in Israel. She had met him in Shanghai during the war! What a small world, and one made much better by having had the pleasure of meeting and learning from Dr. Levenspiel. Ellen Dagan
I was a doctoral student in Nancy when Levenspiel gave a Seminar at LSGC on September 17, 1973. He mixed English and French in his beautiful and pedagogical presentation . I still have my notes of that Seminar. I tell my students: if you read and understand Levenspiel's book on CRE is more than enough : the original is better than photocopies...Levenspiel's contribution to CRE remains alive!
My condolences to Prof Levenspiel's family. His Chemical Reaction Engineering textbook remains one of the few that I still refer to, 22 years since graduating. Thank you for for helping me to understand - and nowadays, for helping me to explain.
Dear Prof. Levenspiel, thank you for your huge contribution to Chemical Engineering.
I have been an admirer of Tavy and am deeply saddened by his pass,
I was fortunate to be a student in his Chemical Reaction Kinetics course at OSU in 1969. We formed a friendship that lasted many decades. He used to say, "mastery of a technical subject is when you can explain it to layman so they understand"..
He loved to play backgammon with me and would not quit until he won. Once while visiting Corvallis, we played for hours until I missed my flight.
He will never be forgotten by those who were fortunate enough to have known him.
RIP my teacher, mentor and friend.
I always looked forward to my classes with Professor Levenspiel. His passion about the subject as well as his joy sharing what he knew made learning fun. Even his test problems were fun to work on! His classes were the main reason I tried to specialize in reaction engineering throughout my career. He was a rare talent and a great person.
I am deeply saddened to know that Professor Levenspiel passed away. My deepest sympathies to his family and friends. I am personally mourning. This is a terrible loss, not just for the field of chemical engineering, but also for humanity. His ability to simplify complexity was unique. His sense of humor was unparalleled. His kindness was exemplary. His warmth as a person was extremely comforting. I still remember the day when I showed his book on Chemical Reaction Engineering in the US Consulate General in Mumbai to get my student visa to attend Oregon State University. I also remember directly showing up at his office with my luggage on my first day as a clueless foreign student in the University. Without showing any surprise at my outlandish behavior and blissful ignorance, he ensured that I completed my registration as a student and joined Weatherford student dormitory, on the same day! He taught me more than I could ever learn in my life. He taught us in many ways, but he enjoyed making us learn by asking questions we could not answer! He stumped us at will by his questions. I will always cherish the importance of understanding complexity before reducing it to simplicity, which I learnt from him. Professor Levenspiel was one of the greatest human beings I knew. He positively changed and influenced my life. He did the same for many others. His memories will remain with me and countless people. He was remarkable.
Professor Levenspiel´s Chemical Reaction Engineering is the one most worn out book I still keep from my early lecturing days at Simon Bolivar University in Caracas, Venezuela (1978-1982). My condolences to his family.
I had the opportunity to attend a talk by Prof Levenspiel in 1976 or 77 in Chennai (then called Madras), India. Professor Levenspiel was visiting Guindy Engineering College, which was across the road from Indian Institute of Technology (IIT) where I was a student then. We had used his text book, Chemical Reaction Engineering, during undergraduate. I was so impressed with the book that I walked about two miles from IIT to Guindy to attend the talk. I am so glad I did. He was such a great speaker that I vividly remember that event, after several decades. I must mention the amazing problems at the end of his book chapters. One problem that remains in my memory after many decades is a Sherlock Holmes puzzle about a chemical plant operator who disappeared. The only clue was that the operator was a large man and looked about 18 Stone. The key was to know this obscure unit of measure called Stone!
Professor Levenspiel, RIP.
Dear Prof. Levenspiel,
Thanks a ton, for making Chemical Reaction Engineering as interesting as reading a graphic novel for many Chemical Engineers like me.
I never met Professor Octave Levenspiel in person but his seminal textbook ‘Chemical Reaction Engineering’ was the key reaction engineering textbook at Ahmadu Bello University, Zaria, Nigeria. I sent Octave Levenspiel an email in 2002 to thank him for writing such a great book and got a lovely reply from him. Rest in peace and thanks for your immense contribution to the Chemical Engineering community.
I had the opportunity to meet professor Octave at the earliest 90 in Celaya Gto. Mex. At that time, we took a picture with him. Five years later, I wrote a letter to him asking for an opportunity to do research work during a sabbatical year at OSU (of course I included the famous picture). Immediately he answered to me, he was retired but recommended me with Professor Goran Jovanovic. Finally, in 1997 I arrived to Corvallis and I saw him again (we were office partners) and it was amazing the way in how he treated my family during the time that we spent at Corvallis getting our degree, my kids loved him (they call him Grampa!). He was a person that shared everything, I remember that he invited us to his New Port house where we spent a full weekend (he gave us instructions and the keys). In 2003 back to Durango, Mex., I invited him to dictate a chemical engineering course at Instituto Tecnologico de Durango, immediately he said yes! During the closing ceremony, after teaching a full week, he danced and sang with us! This man was amazing and irreplaceable!
I´ll always say thank you for giving us your friendship, God bless him!…My condolences to his family!
I had the opportunity to take Dr. Levenspiel's Chemical Reaction Engineering class at OSU back in 1975. His method of teaching was unique in that he integrated his special humor into his lectures, homework and tests. It was one of the few chemical engineering classes I earned an A in because his approach to teaching made me want to learn.
I recall a time in class where Dr. Levenspiel had fun with those of us who had scientific calculators by challenging us to see if we could multiply numbers faster on our calculators than he could on his abacus. Needless to say, he beat us every time!
I'll always remember Octave. My condolences to his family. He was an inspiration to me.
Dear Professor Levenspiel,
I have never had the opportunity of meeting you face to face, unfortunately, given our geographical distance and time. However, having gone through all of your books thoroughly in the past decade or so, I feel like I know you somehow, and I feel deeply grateful for your life and your dedication. You have been my best teacher, and your work has helped me all the way from undergrad to post-doctoral research. In fact, it was thanks to your brilliant work and your unique teaching style that I decided to pursue a career in Chemical Reaction Engineering.
Rest in Peace, professor. Rest in peace knowing that you, through your works and through us your students, will live forever.
Condolences from the Brazilian ChE community.
I was very saddened to hear about Octave’s passing. But then I thought back on my days as a graduate student with him in the late 1970s and early 1980s with friends like Manuk Colakyan, Goran Jovanovic, Nick Catipovic, Joe Danko, Ty Daniel, Con Kambitsis, and so many others and I just smiled. What a profound and lasting impression Octave left on all of us. We had so many lunchtime discussions and stimulating research conversations with Octave (and Tom Fitzgerald and Ferhan Kayihan). These were truly the most stimulating and intellectually challenging times of my life. In looking back, I could not have asked for a better mentor (nor did one exist) and a stronger supporter. He truly was a “one of a kind” and all the clichés regarding “breaking the mold”, etc., are true for no one if they are not true for Octave. I hope that over the years I have been able to stimulate and motivate my graduate students in some small fraction of the way that Octave did for me. Everything that I am as an academic I owe to Octave. I am ever grateful for having known him and considering him a friend