Dans cette oeuvre, Alphonse de Candolle examine l'histoire des sciences et des savants depuis le XVIIIe siècle. Il examine les contributions de figures clés telles que Lavoisier, Darwin et Pasteur, et analyse également des sujets scientifiques tels que la génétique et la sélection naturelle. Cette étude est une contribution importante à la compréhension de l'histoire des sciences au cours des deux siècles précédents. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.