Final answer:
Robert Koch's Postulates provided a framework to link specific microorganisms to specific diseases but did not address all questions of contagion. While they were crucial for the development of germ theory, their limitations mean that the answer to the question is False.
Step-by-step explanation:
Robert Koch and Koch's Postulates
Robert Koch, a pioneering 19th-century microbiologist, is renowned for establishing four criteria known as Koch's Postulates. These postulates provided a systematic approach to demonstrate that a specific microorganism is the causative agent of a particular disease. The postulates are: (1) the microorganism must be found in abundance in all individuals suffering from the disease and not found in healthy individuals, (2) the microorganism must be isolated from a diseased organism and grown in pure culture, (3) the cultured microbe should cause disease when introduced into a healthy organism, and (4) the microorganism must be reisolated from the inoculated, diseased experimental host and identified as being identical to the original specific causative agent.
The answer to the question is False. Koch's postulates were instrumental in the identification of many disease-causing organisms and the advancement of the germ theory of disease. However, they are not sufficient to solve all questions regarding contagion as they have some limitations. For instance, some microorganisms cannot be grown in pure culture, and some diseases are caused by a combination of pathogens or have a genetic basis and are not infectious.