Born in Ireland in the mid-nineteenth century, Agnes Mary Clerke achieved fame as the author of A History of Astronomy during the Nineteenth Century. Through her quarter-century career, she became the leading commentator on astronomy and astrophysics in the English-speaking world. The biography of Agnes Clerke describes the life and work of this extraordinary woman. It also chronicles the development of astronomy in the last decades of pre-Einstein science, and introduces many of the great figures in astronomy of that age including Huggins, Lockyer, Holden and Pickering; their achievements and their rivalries. The story follows her friendship with William and Margaret Huggins, and her prolific correspondence with eminent astronomers of the time. This biography will fascinate scientists, and anyone who admires intellectual achievement brought about through love of learning and sheer hard work.

Born in Ireland in the mid-nineteenth century, Agnes Mary Clerke achieved fame as the author of A History of Astronomy during the nineteenth century. Through her quarter-century career, she became the leading commentator on astronomy and astrophysics in the English-speaking world. This biography describes not only the life and work of this extraordinary woman, but also chronicles the development of astronomy in the last decades of pre-Einstein science. Along the way, it introduces many of the great figures in astronomy of that age, including Huggins, Lockyer, Holden, and Pickering.

Account of the extraordinary career of mid-nineteenth-century astronomer.

I am most grateful to Andr ́ e Heck for his invitation to write a foreword to OSA Volume 4 – I will use this valued opportunity to emphasise those topics in Vol. 4 which I consider important even if other topics may be of even greater importance in the universal scale of things. At the outset let me say that I commend Vol. 4 to its readers – it contains much of very great interest for organisations and strategies in astronomy. A topic which I consider to be of very great importance at this time is Adverse Environmental Impact on Astronomy. There are two papers on this topic in OSA 4 – Cohen on Strategies for Protecting Radio Ast- nomy and Schwarz on Light Pollution Control. The growth in the extent of use, the power and spectral demand for radio transmission continues to increase virtually exponentially. The impact on the ‘listening’ services such as radio astronomy has been severe. Only by creativity in developing new techniques for radio noise (including legal transmissions) reduction and by participating fully in the allocation process for radio frequencies has radio astronomy developed to the powerful investigative tool it is today.

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This remarkable history encompasses not only the achievements of the early inventors and astronomers but also the less frequently recounted stories of the instrument makers and of the actual instruments. A model of unsurpassed, comprehensive scholarship, this volume covers many fields, including professional and amateur astronomy. 196 black-and-white illustrations.