His 'Atomic Theory' is the basis of chemistry; discovered Law relating gases’ temperature, volume, & pressure; discovered the law of partial gas pressures.

Authored On the Origin of Species, which described & provided evidence for the theory of evolution by natural selection.

A great philosopher; advocate of skepticism in the scientific method; co-founder of analytical geometry. Cartesian coordinates are named in his honor.

Unified quantum mechanics & special relativity explaining the origin of particle spin; discovered the concept of antimatter; founded quantum electrodynamics.

Author of special & general relativity; E = mc2 ; explained the photoelectric effect.

Proposed an ancient theory of natural selection; mass conservation; conceived the theory of four elements now often misattributed to Aristotle.

Accurately calculated Earth’s size 2,500 years ago; founded the science of geography; devised the famous prime number sieve.

Discovered electromagnetic induction; devised his laws of electrolysis; discovered the first experimental link between light & magnetism; discovered benzene.

One of the greatest mathematicians of all time: co-founded the disciplines of analytic geometry & probability; his famous 'Last Theorem'.

Initiated the rebirth of Western mathematics; his Book of Calculation introduced the Indian number system to Europe. His 'famous number' sequence.

Invented experimental design; devised the statistical concept of variance; unified evolution by natural selection with Mendel’s rules of inheritance.

Discovered penicillin and predicted the rise of antibiotic resistant bacteria.

He shaped our understanding of electricity; coined the electrical terms positive and negative; invented the lightning rod & bifocal spectacles.

She provided much of the experimental data used to establish the structure of DNA. Discovered that DNA can exist in two forms.

Began as a physician to gladiators; established link between diet & health.Created flawed doctrine that dominated Western & Arab medicine for 1,500 years.

Father of modern science; discovered first moons ever known to orbit another planet & that the Milky Way is made of stars. Studied gravity, inertia & relativity.

Revolutionized number theory; invented the method of least squares & the fast Fourier transform. Formulated 'His' Law & the Law for Magnetism.

Invented vector analysis; founded the sciences of modern statistical mechanics & chemical thermodynamics.

Know for her ground-breaking discoveries in chimpanzee behavior: chimpanzees have similar social behavior to humans: make tools, eat & hunt for meat.

Explained blood circulation for the first time, showing there is a complete circuit beginning & ending in the heart.

Built world’s most powerful electromagnets; discovered electromagnetic induction independently of Faraday; unit of electrical inductance is named in his honor.

Discovered radio waves & the the photoelectric effect; the unit of frequency is named in his honor.

Famed for his 23 problems; unified 2D and 3D geometry; created 'his Space', now essential in advanced physical science.

Ancient who founded the mathematical discipline of trigonometry; measured the earth-moon distance accurately; discovered the precession of the equinoxes.

Discovered cells; wrote Micrographia revealing the microscopic world for the first time; invented the balance spring enabling pocket watches to be made.

Pioneer of electronic computers. She invented the first compiler & was the principal architect of COBOL.

Discovered that dinosaurs cared for their young & some nested in colonies. Working on reactivating dormant dinosaur DNA to hatch a modern-day dinosaur.

Founder of modern geology; discovered that Earth is very much older than previously believed; devised the principle of Uniformitarianism.

## Show Comments