Physics:

* Albert Einstein: Theory of Relativity

* Isaac Newton: Laws of Motion and Universal Gravitation

* Marie Curie: Pioneer in radioactivity

* Niels Bohr: Atomic model

* Stephen Hawking: Black holes and cosmology

* Richard Feynman: Quantum electrodynamics

* Vera Rubin: Dark matter

* Michio Kaku: String theory and cosmology

Chemistry:

* Marie Curie: Radioactivity

* Dmitri Mendeleev: Periodic table

* Linus Pauling: Chemical bonds and molecular structures

* Marie Maynard Daly: DNA research

* Alice Ball: Leprosy treatment

* Chien-Shiung Wu: Weak interaction in physics

Biology:

* Charles Darwin: Theory of Evolution

* Gregor Mendel: Genetics

* Jane Goodall: Primate behavior

* Rachel Carson: Environmentalism and pesticide use

* Lynn Margulis: Symbiosis theory

* Barbara McClintock: Transposable genetic elements

* Jennifer Doudna: CRISPR-Cas9 gene editing

Astronomy:

* Edwin Hubble: Expanding universe

* Carl Sagan: Planetary science and popular science

* Neil deGrasse Tyson: Science communicator

* Vera Rubin: Dark matter

* Jocelyn Bell Burnell: Pulsars

Mathematics:

* Pythagoras: Pythagorean theorem

* Euclid: Geometry

* Alan Turing: Computer science and cryptography

* Katherine Johnson: Spaceflight calculations

* Maryam Mirzakhani: Geometry and Riemann surfaces

Medicine:

* Hippocrates: Father of medicine

* Louis Pasteur: Germ theory and pasteurization

* Jonas Salk: Polio vaccine

* Edward Jenner: Smallpox vaccine

* Elizabeth Blackwell: First female doctor in the United States

* Tu Youyou: Artemisinin, a treatment for malaria

This is just a small sample of the many brilliant scientists who have shaped our understanding of the world. There are countless others who have made significant contributions in various fields!