|Rudolf Jakob Camerarius|
Rudolf Jakob Camerarius (1665-1721)
|Born||February 12, 1665|
Tübingen, Holy Roman Empire
|Died||September 11, 1721|
Tübingen, Holy Roman Empire
|Fields||Botanist and physician|
|Doctoral advisor|| Elias Rudolph Camerarius Sr. |
Georg Balthasar Metzger
|Doctoral students||Johann Andreas Planer|
He is the son of Elias Rudolph Camerarius Sr.
Rudolf Jakob Camerarius or Camerer (February 12, 1665 – September 11, 1721) was a German botanist and physician.
Germany, officially the Federal Republic of Germany, is a country in Central and Western Europe, lying between the Baltic and North Seas to the north, and the Alps to the south. It borders Denmark to the north, Poland and the Czech Republic to the east, Austria and Switzerland to the south, France to the southwest, and Luxembourg, Belgium and the Netherlands to the west.
A physician, medical practitioner, medical doctor, or simply doctor is a professional who practises medicine, which is concerned with promoting, maintaining, or restoring health through the study, diagnosis, prognosis and treatment of disease, injury, and other physical and mental impairments. Physicians may focus their practice on certain disease categories, types of patients and methods of treatment—known as specialities—or they may assume responsibility for the provision of continuing and comprehensive medical care to individuals, families, and communities—known as general practice. Medical practice properly requires both a detailed knowledge of the academic disciplines underlying diseases and their treatment—the science of medicine—and also a decent competence in its applied practice—the art or craft of medicine.
Camerarius was born at Tübingen, and became professor of medicine and director of the botanical gardens at Tübingen in 1687. He is chiefly known for his investigations on the reproductive organs of plants (De sexu plantarum epistola (1694)).
Tübingen is a traditional university town in central Baden-Württemberg, Germany. It is situated 30 km (19 mi) south of the state capital, Stuttgart, on a ridge between the Neckar and Ammer rivers. As of 2014 about one in three people living in Tübingen is a student.
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While other botanists, such as John Ray and Nehemiah Grew, had observed that plants seemed to have sex in some form, and guessed that pollen was the male fertilizing agent, it was Camerarius who did experimental work. In studying the mulberry, he determined that female plants not near to male (staminate) plants produced fruit but with no seeds. Mercurialis and spinach plants fared likewise. With the castor oil plant (Ricinus) and with maize he cut off the staminate flowers (the "tassels" of maize), and likewise observed that no seeds formed. His results were reported in the form of a letter (the epistola), and attracted immediate attention, subsequent workers extending his results from the monoecious plants he had studied to dioecious ones as well.
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The public domain consists of all the creative works to which no exclusive intellectual property rights apply. Those rights may have expired, been forfeited, expressly waived, or may be inapplicable.
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