-
1000 BCE
Hominids appear
Human-like life forms appear ABOUT 6 million years ago. -
276 BCE
Eratosthenes is born
He was a greek mathematician, geographer, and astronomer who made the first measurements of Earth's size. -
1 BCE
Ptolemy is born
He believed the Earth was the center of the universe. -
1447
Nicolas Copernicus is born
In 1514, introduces his heliocentric model. -
Dec 14, 1546
Tycho Brahe is born
He showed irregularities in the Moon's orbit -
Jan 22, 1561
Francis Bacon is born
Developed the scientific method. -
Feb 15, 1564
Galileo is born
Galilei built his innovated telescope in 1609, one of the biggest thins in history. -
Dec 27, 1571
Johannes Kepler is born
Kepler helped with his three laws of planetary motion. -
Rene Descartes is born
Descartes was a (french) philosopher who's famous for his quote, "I think, therefore I am". -
John Locke is born
Locke believed that knowledge is influenced on experience and sometimes senses aren't what they seem. Influenced by Descartes. -
Isaac Newton is born
In 1687, Isaac publishes mathematical principles of natural philosophy which explains his Three Laws of Motion. -
Mendeleev is born
Dmitri Mendeleev devises the Periodic Table of Elements in 1869. -
Marie Curie is born
In 1898, Curie discovered a new element names Polonium, then later, radium. -
Henrietta Leavitt is born
Henrietta discovers thousands of cepheid variables to develop and publish her luminosity theory to calculate the brightness of stars in 1908. -
Alfred Wegener is born
Wegener proposed the theory of continental drift and at first not a lot of people believed him. (geophysicist and meteorologist) -
Hubble is born
In 1929, Hubble proves the universe is expanding using his work from Slipher and later discovers asteroids. -
Harry Hess is born
Hess discovered that the seafloor was 'spreading' because of the shape and depth of the ocean which causes magma to come out of mid-ocean ridges. (geology professor). -
Present day