The Development of Science in the Last Half Century by Thomas Henry Huxley is an important publication covering the key discoveries and advances in science from 1839 to 1889. In his work, the author draws attention to the great changes and progress that have occurred in various scientific disciplines, such as physics, chemistry, biology, astronomy, and others. Huxley traces the development of science, shares his own observations and thoughts on important achievements and discoveries of that time. This book is not only a valuable historical document, but also an extremely fascinating read for anyone interested in science and its development.