It's been 70 years in the making .... Space: The Final Frontier

 

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Radio Astronomy Celebration with Doc Ewen & Ed Purcell

My message today is one of thanks and humble gratitude. Many people from Harvard University, National Radio Astronomy Observatory, Green Bank Observatory, and others have been instrumental in support, advice, guidance, and most importantly encouragement. [ Avi, Jim, Ken, Whitham, and many others ... Thank you !]  It was 70 years ago that Harold "Doc" Ewen, Ph.D. (my father) with his Harvard University thesis advisor Ed Purcell, Ph.D., on March 25, 1951, had a defining impact in a specific field of science. It was the first observation and detection of neutral interstellar hydrogen.  What has and continues to follow is tremendous growth not imaginable back in 1951.     And now it is time to celebrate and give proper recognition as we near a special day, Thursday, March 25, 2021. It was in August of 2019 when I had been working with a research scientist in Moscow, Russia on international communications. We had thought that scientific events in history should be remembered.  We
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Space: The Final Frontier

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  Space The Final Frontier   By David K. Ewen, M.Ed.      ISBN: 9798677880025 Imprint: Ewen Prime Company   Copyright (c) 2020, Ewen Prime Company   All rights reserved. No part of this publication may be reproduced, distributed, or transmitted in any form or by any means, including photocopying, recording, or other electronic or mechanical methods, without the prior written permission of the publisher, except in the case of brief quotations embodied in critical reviews and certain other noncommercial uses permitted by copyright law. For permission requests, write to the publisher, addressed “ Attention: Permissions Coordinator ,” at the address PAASEinst@gmail.com       Content   1.     In memory 2.     Extract 3.     Dedication & Thanks 4.     Purpose 5.     Premise 6.     Prologue 7.     Introduction 8.     When It Happened 9.     Beyond Harvard University 10.   Early years of Edward M. Purcell, Ph.D. 11.   Early years of Harol
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Astronomy Celebration Next 2 Years at Harvard Univ., NRAO, Green Bank Observatory, and Around The World

Greetings to all at NRAO, Harvard, Green Bank Observatory, and lovers of Radio Astronomy: A lot has happened in preparation of next year's celebration and it could not have been done without all of you.   I give you all my heartfelt appreciation.  I wanted to give you an update as to where we are.  Also, I wanted to put "the team" on one email thread originating from PAASE Institute https://about.me/paase   If you know anyone else, I should add to the distribution, please let me know. March 25, 2021 will be the 70th anniversary of  the first detection of radio radiation from neutral atomic hydrogen in the Milky Way at a wavelength of 21 centimeters at Lyman Laboratory of Physics at Harvard University in 1951.  This effort was completed by Harold I. Ewen, Ph.D. and his thesis advisor Edward M. Purcell, Ph.D.  Today, the horn antenna sits at the Green Bank Observatory in West Virginia.  In the following year, Saturday, March 5, 2022 will be the 100th birthday of Harold I. E
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