Etan Boritzer
Etan Boritzer( born 1950) is an American writer of children ’s literature who is best known for his book" What is God?" first published in 1989.
His best selling" What is?" illustrated children's book series on character education and difficult subjects for children is a popular teaching guide for parents, teachers and child- life professionals.
Boritzer gained national critical acclaim after" What is God?" was published in 1989 although the book has caused controversy from religious fundamentalists for its universalist views.
The other current books in the" What is?" series include
What is Love?,
What is Death?,
What is Beautiful?,
What is Funny?,
What is Right?,
What is Peace?,
What is Money?,
What is Dreaming?,
What is a Friend?,
What is True?,
What is a Family?,
What is a Feeling?"
The series is now also translated into 15 languages.
Boritzer was first published in 1963 at the age of 13 when he wrote an essay in his English class at Wade Junior High School in the Bronx, New York on the assassination of John F. Kennedy.
His essay was included in a special anthology by New York City public school children compiled and published by the New York City Department of Education.
Boritzer now lives in Venice, California and maintains his publishing office there also.
He has helped numerous other authors to get published through" How to Get Your Book Published!" programs.
Boritzer is also a yoga teacher who teaches regular classes locally and guest- teaches nationally.
He is also recognized nationally as an erudite speaker on" The Teachings of the Buddha."
Andrew Wiles
Sir Andrew John Wiles (born 11 April 1953) is an English mathematician and a Royal Society Research Professor at the University of Oxford, specializing in number theory.
He is best known for proving Fermat's Last Theorem, for which he was awarded the 2016 Abel Prize and the 2017 Copley Medal by the Royal Society.
He was appointed Knight Commander of the Order of the British Empire in 2000, and in 2018 was appointed as the first Regius Professor of Mathematics at Oxford.
Wiles is also a 1997 MacArthur Fellow.
Fred Diamond
Fred Irvin Diamond (born November 19, 1964) is a mathematician, known for his role in proving the modularity theorem for elliptic curves.
His research interest is in modular forms and Galois representations.
Diamond received his B.A. from the University of Michigan in 1984, and received his Ph.D. in mathematics from Princeton University in 1988 as a doctoral student of Andrew Wiles.
He has held positions at Brandeis University and Rutgers University, and is currently a professor at King's College London.
Diamond is the author of several research papers, and is also a coauthor along with Jerry Shurman of "A First Course in Modular Forms", in the Graduate Texts in Mathematics series published by Springer-Verlag.
Rainer Polak
Rainer Polak is an ethnomusicologist and djembe drummer who has researched in the field of West African celebration music performances and written in the field of ethnomusicology.
Loren W. Neubauer
Loren Wenzel Neubauer( 1904- 1991) was a civil engineer active in the field of farm structures and wood structures, and a pioneer in the field of solar energy.
Melvin Defleur
Melvin Lawrence DeFleur( April 27, 1923 – February 13, 2017) was a professor and scholar in the field of communications.
His initial field of study was social sciences.
Sherwood Washburn
Sherwood Larned Washburn, nicknamed" Sherry", was an American physical anthropologist and pioneer in the field of primatology, opening it to the study of primates in their natural habitats.
His research and influence in the comparative analysis of primate behaviors to theories of human origins established a new course of study within the field of human evolution.
Rüdiger Bieler
Rüdiger Bieler( born 1955 in Hamburg, Germany) is a German- American biologist whose primary scientific field of study is malacology, the study of mollusks.
Fred I. Lamson
Fred Irvin Lamson was an American politician who served as Mayor of Malden, Massachusetts and was a member of the Massachusetts Senate.
Alan Pritsker
A. Alan B. Pritsker( February 5, 1933 — August 24, 2000) was an American engineer, pioneer in the field of Operations research, and one of the founders of the field of computer simulation.
Over the course of a fifty- five- year career, he made numerous contributions to the field of simulation and to the larger fields of industrial engineering and operations research.

Question: What is the field of work of Fred Diamond?