John Lawrence (Larry) Nazareth was born in 1946 in Nairobi, Kenya, of Indian (Goan) parentage and attended schools in Nairobi and Bombay. In 1964, he began his undergraduate education, attending Trinity College at the University of Cambridge, England, where he obtained a bachelor's degree in mathematics in 1967 and a postgraduate diploma in computer science in 1968. He then moved to the United States-eventually becoming a citizen-and continued his graduate studies at the University of California, Berkeley, specializing in the areas of optimization and numerical computation. In 1973, he completed a doctorate in the Department of Computer Science (thesis advisor: Professor Beresford Parlett) and simultaneously obtained a master's degree in the Department of IE&OR (thesis advisor: Professor Stuart Dreyfus).
He has held appointments on the research staff at the Applied Mathematics Division of Argonne National Laboratory, Illinois, the Systems Optimization Laboratory within the Department of Operations Research at Stanford University, and the Systems and Decision Sciences Program of the International Institute for Applied Systems Analysis (IIASA), Vienna, Austria. He also had an almost two-decade long association with Woodward-Clyde Consultants, the S.F. Bay Area headquartered firm (recently acquired by the URS Corporation). This relationship began in 1979, when he was engaged as a consultant on the development of a pavement maintenance and rehabilitation optimization system for the Arizona Department of Transportation, a pioneering project that later won the ORSA-TIMS Edelman Award for the principals at the company. This, in turn, led to a variety of other Woodward-Clyde consulting engagements, including projects for the Kansas and Alaska Departments of Transportation, the Gas Research Institute, Consolidated Edison, CalTrans and PG&E; and to related engagements for the World Bank and Lucent Medical Systems.
In 1989, he began tenure as Professor in the Department of Pure and Applied Mathematics at Washington State University (WSU), Pullman, and, shortly thereafter, became an Affiliate Professor at the Applied Mathematics Department of the University of Washington, Seattle. Earlier, he taught graduate courses and research seminars on visiting appointments at the Department of IE&OR at Berkeley, the Tata Institute of Fundamental Research (TIFR), Bombay, and the Instituto Mathematica Pura é Applicada (IMPA), Rio de Janeiro, Brazil. He has also been a member of the Mathematical Sciences Research Institute (MSRI), Berkeley, during its focus semester on optimization, and has spent sabbatical leaves at the University of Cambridge, England, and the University of New South Wales, Sydney, Australia.
He is an author of over seventy-five technical articles and he has written six books on optimization as follows: Computer Solution of Linear Programs (Oxford University Press, 1987); The Newton-Cauchy Framework: A Unified Approach to Unconstrained Nonlinear Minimization (Springer-Verlag, 1994); Linear and Nonlinear Conjugate-Gradient Related Methods (a co-edited volume, SIAM, Philadelphia, 1996); DL P and Extensions: An Optimization Model and Decision Support System (Springer-Verlag, 2001; includes a CD-ROM containing an executable version of a prototype implementation comprising several thousands lines of Fortran code); Differentiable Optimization and Equation Solving: A Treatise on Algorithmic Science and the Karmarkar Revolution (Springer-Verlag, 2003); and, most recently, a paperback booklet for the general scientific reader and beginning college student, An Optimization Primer: On Models, Algorithms and Duality (Springer-Verlag, New York, 2004, 120 pgs.). In pursuing personal interests, he has also written and self-published two short books for limited circulation: Three Faces of God and Other Poems, (Apollo Printing, Berkeley, 1986), and Reminiscences of an Ex-Brahmin: Portraits of a Journey Through India (Apollo Printing, Berkeley, 1996); a stage-play in three acts, The Tease Spoons (2016, 56 pgs.), and a historical memoir, A Passage to Kenya: A Historical Collage of a Unique Time and Place (2017, 216 pgs.), have each been published on Amazon's CreateSpace Independent Platform and they are available in inexpensive paperback and Kindle versions on any of Amazon's websites; and he has recently completed a book of commentary, Thou Art That and Other Essays: Reflections of an Algorithmic Scientist on an Era Between Gods (2020, 104 pgs.).
His professional activities have included serving on the editorial board of ACM Transactions on Mathematical Software during the period 1993-02, and he was the founding editor (1992-95) of the SIAG/OPT Views-and-News, a forum for SIAM's Special Interest Group in Optimization. He also conceived and was the principal organizer of three leading-edge research conferences: Nonstandard Optimization Methods and Related Topics, August 1-4, 1989, IIASA, Vienna, Austria (co-organized with Academician A.B. Kurshanski and Dr. S. Uryasev); Linear and Nonlinear Conjugate Gradient-Related Methods, July 9-13, 1995, Seattle, Washington, AMS-IMS-SIAM Summer Research Conference (co-organized with Professor Loyce Adams); and the pioneering Pacific-West Algorithmic Science Meeting, April 8, 2000, Pullman, Washington (co-organized with Dr. Kevin Cooper and funded by the Boeing Company, Seattle).
He became Professor Emeritus at WSU in 2003, and he and his wife, Abigail, currently reside in the Seattle area, where he can be reached by post or e-mail at the addresses given below. Having retired from teaching, he remains active in consulting, algorithmic research, and writing; see, in particular, a recent commentary on the emerging discipline of algorithmic science & engineering in SIAM News (Vol. 39, No. 2, March, 2006), the `blueprint' and underlying rationale for informally-structured AS&E research centers in support of computational science & engineering at, and the e-book by J.L. Nazareth (2010), Algorithmic Science and Engineering within Scientific Computing: Foundations and Organization, 128 pgs.

The foregoing line of research was completed and published in its final form as: Nazareth, J.L. (2012), Numerical Algorithmic Science and Engineering: Foundations and Organization (PSIPress, Portland, Oregon, USA, 186 pgs). The rationale and overall context for this work is described in an essay `Numerical Algorist vis-a-vis Numerical Analyst', The Ring, Issue XXXIII, May 2013, pgs. 8-10, which can be viewed at the Cambridge Computer Laboratory Ring website: The new models of computation formulated in the foregoing monograph are an abstract conceptualization of computing machines that are now within practical reach. This is a consequence of a recent, revolutionary breakthrough in analog memory electronic components at Hewlett-Packard, as outlined in `Real-Number Models of Computation and HP-Memristors: A Postscript', (2014, 4 pgs.).

A complete listing of the source-code for the prototype implementation of the optimization techniques developed in the aforementioned monograph, Nazareth, J.L. (2001), DLP and Extensions: An Optimization Model and Decision-Support System (Springer-Verlag, Berlin and Heidelberg, Germany, xvii+207 pgs.) is now being made freely available in the form of an E-Book as follows: Nazareth, J.L. (2017), DLPEDU: A Fortran-77 Open-Source Prototype Implementation of the DLP Optimization System, (vii+207 pgs.) A companion to this E-Book, `A DLP Primer' (2017, 18 pgs.) has two main aims: firstly, to provide an elementary introduction to the DLP decision-support system by means of a simple illustrative application to viticulture (vineyard planning); and secondly, to facilitate and promote use of the foregoing prototype implementation DLPEDU as a platform for further research, application and product-development by researchers and entrepreneurs.

Mailing Adddress:
Computational Decision Support Systems (CDSS),
P.O. Box 10509, Bainbridge Island, WA 98110.

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