Dr Ingo H. Leubner

Crystallization Consulting Principal Dr. Ingo H. Leubner  has thirty years of experience in the precision precipitation of crystals for product applications.  He is currently senior scientist for Crystallization Consulting, a company specializing in  consulting, modeling and teaching of advanced models for controlled high-precision precipitations and crystallizations.

His work on the crystallization of silver halides, the heart of conventional photographic materials, led to new insights, theories, and models for the control of nucleation in crystallization processes.  His publications, presentations, and seminars resulted in national and international recognition. After his separation from Eastman Kodak he founded Crystallization Consulting, a company that specializes in consulting and teaching of the precision control of crystallizations, and precipitations in general. He continued modeling of the nucleation processes and published several papers where he quantitatively modeled the crystal nucleation phase. He has given full day presentations at international conferences. He has consulted with national and international companies, and has given seminars and presentations at major national universities.

Dr. Leubner, a native of Germany, finished his studies with a Ph.D. in Physical Chemistry (Dr. rer. nat) from the Technical University in Munich under the guidance of G. Scheibe.  After a postdoctoral fellowship with G. Scheibe, he moved to the United States to work as R. Welch Fellow at the Texas Christian University in Fort Worth, Texas.  From there, he accepted a position as research scientist at Eastman Kodak Company in Rochester, New York.  He is presently founder and President of Crystallization Consulting.

At Eastman Kodak Company, he worked in research and product development of photographic films and papers and their components.  He synthesized sensitizing dyes, one of which became the basis for new high-resolution films and plates.  He applied his skills and knowledge to the development of color film and paper, slide film, black and white papers, and microfilm.  He was team leader for several product development teams which provided significantly improved products.

His studies at Eastman Kodak resulted in new insights and models of the photographic activity and photochemistry of sensitizing dyes, sensitizing materials, and ionic dopants.  For his published work in photographic science, he received the Lieven-Gevaert Medal, the highest award in photographic science.  Dr. Leubner has continued modeling of photographic and imaging processes and is available for presentations and seminars in these areas. Of current interest is his technical comparison of traditional and electronic imaging processes, answering the question: ‘Silver or Chips for Baby’s Picture?’

At Texas Christian University he determined the temperature dependence of the phosphorescence lifetimes of benzene and derivatives between 4 and 100 K. This work was published in three publications. He also taught the first graduate course on photochemistry at that University.

During his doctoral thesis and postdoctoral work in Munich, he studied the relationship between the molecular structure and the color of dyes. The model compounds for this study were quino- and pyrido-cyanines. These are of use in the photographic industry as spectral sensitizers of photographic systems. He synthesized these dyes and their precursors, determined their absorption, fluorescence, and phosphorescence spectra, polarization of electronic transitions, and nuclear magnetic resonance spectra.  The dye spectra were used for high precision molecular orbital calculations. Part of this work was published in four scientific papers.

Dr. Leubner is a member of the American Chemical Society (ACS), the American Association for the Advancement of Science (AAAS), the American Geophysical Union (AGU), the Society for Imaging Science and Technology (IS&T), and the Rochester Professional Consultants Network (RPCN). He is an associate of High Technology of Rochester (HTR) and a fellow Torrey Pines Research (TPR). Dr. Leubner is listed in ‘Who’s Who in Science and Engineering’.