In order to make clear the foundations of mathematics, the fields of mathematical logic and set theory have been developed. Mathematical logic includes the mathematical examine of logic and the functions of formal logic to different areas of mathematics; set principle is the department of arithmetic that studies units or collections of objects. The phrase “disaster of foundations” describes the seek for a rigorous foundation for mathematics that occurred from approximately 1900 to 1930. Some disagreement in regards to the foundations of mathematics continues to the current day.

### Galileo Galilei – Biography of the Father of Science (Biography)

In April 2000, Dan joined the National Institutes of Health, in Bethesda, Maryland, first as Senior Science Internet Specialist for the Office of Science Education at the National Human Genome Research Institute. Later, he became Web Manager for the Office of Communications and Public Liaison on the National Institute of General Medical …