This is a work of nonfiction, but the names of certain individuals as well as identifying descriptive details concerning them have been changed to protect their privacy.

Copyright © 2020 by Leonard Mlodinow

All rights reserved. Published in the United States by Pantheon Books, a division of Penguin Random House LLC, New York, and distributed in Canada by Penguin Random House Canada Limited, Toronto.

Pantheon Books and colophon are registered trademarks of Penguin Random House LLC.

Photograph on this page courtesy of Alexei Mlodinow

Library of Congress Cataloging-in-Publication Data

Name: Mlodinow, Leonard, [date] author.

Title: Stephen Hawking : a memoir of friendship and physics / Leonard Mlodinow.

Description: First edition. New York : Pantheon Books, 2020.

Identifiers: LCCN 2019049362 (print). LCCN 2019049363 (ebook). ISBN 9781524748685 (hardcover). ISBN 9781524748692 (ebook). ISBN 9780375715365 (open market).

Subjects: LCSH: Hawking, Stephen, 1942–2018. Physicists—Great Britain—Biography. People with disabilities—Biography.

Classification: LCC QC16.H33 M56 2020 (print) | LCC QC16.H33 (ebook) | DDC 530.092 [B]—dc23

LC record available at lccn.loc.gov/​2019049362

LC ebook record available at lccn.loc.gov/​2019049363

Ebook ISBN 9781524748692

www.pantheonbooks.com

Cover photograph: The Milky Way / Shutterstock

Cover design by Kelly Blair

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