S Chandrasekhar, popularly known as Chandra, was one of the foremost scientists of the 20th century. The year 2010 marks the birth centenary of Chandra. His unique style of research, inward bound, seeking a personal perspective to master a particular field, and then pass on to another was so unique that it will draw considerable interest and attention among scholars. As Chandra elucidates in the preface, "The various installments describe in detail the evolution of my scientific work during the past forty years and records each investigation, describing the doubts and the successes, the trials and the tribulations. And the parts my various associates and assistants played in the completion of the different investigations are detailed." It is indeed a remarkable and rare document, fascinating to read and experience the joys, frustrations and struggles of a creative mind.

S Chandrasekhar, popularly known as Chandra, was one of the foremost scientists of the 20th century. The year 2010 marks the birth centenary of Chandra. His unique style of research, inward bound, seeking a personal perspective to master a particular field, and then pass on to another was so unique that it will draw considerable interest and attention among scholars. As Chandra elucidates in the preface, "The various installments describe in detail the evolution of my scientific work during the past forty years and records each investigation, describing the doubts and the successes, the trials and the tribulations. And the parts my various associates and assistants played in the completion of the different investigations are detailed." It is indeed a remarkable and rare document, fascinating to read and experience the joys, frustrations and struggles of a creative mind.

Subrahmanyan Chandrasekhar, Nobel Laureate in Physics, was a towering figure in 20th century physics, but remained a highly private man. The many letters and correspondence in this book reveal in Chandrasekhar's own words the depth of his pursuit of science as well as his personal struggles. This book is an important addition to the three previous volumes by Kameshwar C. Wali, including Chandra, A Biography of S. Chandrasekhar, S. Chandrasekhar: The Man Behind the Legend, and A Quest for Perspectives: Selected Works of S. Chandrasekhar (With Commentary), Volumes 1 & 2.Included in the correspondence are Chandra's thoughts and feelings about his student days in India and Cambridge, his trials and tribulations in the competitive world of British academia, his travels to Russia and Germany, and his unexpected and historic encounter with Sir Arthur Eddington. The book also includes rare correspondence and conversations with Lalitha, Chandrasekhar's wife of over sixty years. The letters and conversations with her reflect her own views of their life. She, a student of physics herself, eventually gave up her own work in science to become an integral part of Chandra's life. As Chandra wrote, 'The full measure of [of my indebtedness] cannot really be recorded; it is too deep and too all persuasive. Let me then record simply that Lalitha was the motivating source and strength of my life.'This new book adds a significant personal dimension to an extraordinary scientist and will give the public a deeper understanding of the man behind the legend.

"Chandra" is an intimate portrait of a highly private and brilliant man, Subrahmanyan Chandrasekhar, a Nobel laureate in physics who has been a major contributor to the theories of white dwarfs and black holes.
"Wali has given us a magnificent portrait of Chandra, full of life and color, with a deep understanding of the three cultures--Indian, British, and American--in which Chandra was successively immersed. . . . I wish I had the job of reviewing this book for the "New York Times" rather than for "Physics Today." If the book is only read by physicists, then Wali's devoted labors were in vain."--Freeman Dyson, "Physics Today"
"An enthralling human document."--William McCrea, "Times Higher Education Supplement"
"A dramatic, exuberant biography of one of the century's great scientists."--"Publishers Weekly"

This compilation of selected papers offers valuable insights into the predominant challenges that occupied theoretical physicists over the most part of the last century. They will continue to be of interest to physicists and students pursuing advanced courses in physics and related fields.As known to many physicists, theoretical fancies are not always realized in experimental research. So, this book explores that important collaborative face of elementary particle physics through the author's work over the last six decades (1957-2017).The reader is invited to contemplate - If theory is to explain the observed world, and checks cannot be maintained, then what restraints should theorists face?

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