Widely regarded as one of the most influential personalities in the history of mankind, Charles Darwin was an English biologist, naturalist, and geologist. He is credited with publishing the Theory of Evolution, which explains the evolution of life from a unicellular organism to human beings. A prolific writer, Charles Darwin also wrote important books on plants and barnacles.
Richard Dawkins is a British ethologist, author, and evolutionary biologist. He first achieved popularity after publishing his book, The Selfish Gene, which is credited with popularizing the gene selection theory. The book is also credited with introducing the term meme. In 2006, he established the Richard Dawkins Foundation for Reason and Science to promote secularism and scientific literacy.
Scientist Robert Hooke, also called England's Leonardo, initially gained recognition as an architect, conducting surveys following the Great Fire of London. He also taught geometry and was part of the Royal Society. He assisted Robert Boyle and eventually developed his own microscope, thus becoming the first to visualize micro-organisms.
Nobel Prize-winning British biophysicist Francis Crick is best known for his ground-breaking work to determine the structure of the DNA, along with James Watson, Maurice Wilkins, and Rosalind Franklin. He taught at various institutes, such as the Salk Institute, and was also awarded the Order of Merit.
Widely regarded as a national treasure in the United Kingdom, Sir David Attenborough is the only person to have received BAFTAs for TV shows meant for different television sets, such as black and white, color, 3D, HD, and 4K. In 2002, he was mentioned in BBC's 100 Greatest Britons list.
British naturalist Alfred Russel Wallace is largely remembered for his theory of evolution through natural selection, which inspired Charles Darwin’s studies. He began his career as a surveyor’s apprentice and later introduced concepts such as reinforcement in animals, also known as the Wallace effect. He was awarded the Order of Merit.
Edward Jenner was an English scientist and physician. Referred to as the father of immunology, Jenner is credited with pioneering the concept of vaccines. Jenner's work laid the foundation for subsequent discoveries in the field of immunology; his work is believed to have saved more lives than any other work. In 2002, Jenner was included in BBC’s Greatest Britons list.
Thomas Henry Huxley was an English biologist and anthropologist. He specialized in comparative anatomy and was a proponent of Charles Darwin's theory of evolution. Despite having little formal schooling, he went on to become one of the finest comparative anatomists of the 19th century. He was the chair of natural history at the Royal School of Mines for 31 years.

Jeremy Wade is a British TV presenter, biologist, and freshwater detective. He is best known for his TV series River Monsters, Mighty Rivers, and Dark Waters. He attended the University of Kent and began his career as a biology teacher. He made his TV debut by chance and didn’t take long to become a popular TV presenter.
Herbert Spencer was the man behind the expression “survival of the fittest,” after reading Charles Darwin's iconic work On the Origin of Species. The British anthropologist, sociologist, and philosopher introduced the concept of Social Darwinism, which applied the theory of evolution to societies and social classes.
British geneticist J.B.S. Haldane is remembered for his pioneering use of statistics in biology. A proponent of neo-Darwinism, he was the son of physiologist John Scott Haldane and had begun assisting his father at age 8. He later joined the British Communist Party and also moved to India.
Ronald Fisher was a British polymath, statistician, geneticist, mathematician, and academic. He is credited to have single-handedly created the foundations for modern statistical science. He made important contributions to the field of genetics and is known as one of the three principal founders of population genetics. He was elected to the Royal Society in 1929.


Dorothy Hodgkin received the 1964 Nobel Prize for mapping the structure of penicillin and Vitamin B12. She is also known for her work on insulin. Beginning her work on structure of an organic compound by using X-ray crystallography as an undergraduate student, she later developed it further and used it to determine the three-dimensional structure of complex organic molecules.

Renowned James Lovelock is best known for propagating the Gaia hypothesis, which states that every living being on planet Earth is part of a single self-regulating superorganism. He is also known for his long association with NIMR, London, and Harvard University and has over 50 patents under his name.

Rupert Sheldrake is an English author best known for his research in the field of parapsychology. He is credited with proposing the concept of morphic resonance, which has been categorized as pseudoscience by mainstream scientists. Rupert Sheldrake is also known for his work encompassing paranormal subjects like telepathy, precognition, and the psychic staring effect.

Walter Rothschild, 2nd Baron Rothschild was a British soldier, politician, zoologist, and banker. He is best remembered for his service as the president of the largest Jewish communal organization in the UK, the Board of Deputies of British Jews, between 1925 and 1926. Walter Rothschild also made immense contributions to the field of zoology.

One of the most influential evolutionary biologists of his generation, John Maynard Smith was originally aeronautical engineer. Later, he took a second degree in genetics and did extensive research on subjects like population genetics and evolution of sex. Known for formalizing the central concept in evolutionary game theory, he introduced the evolutionarily stable strategy, impacting a wide variety of studies.


John Edward Gray was a British zoologist best remembered for his association with the British Museum in London, where he was the keeper of zoology from 1840 to 1874. John Edward Gray is also remembered for publishing several records of the museum collections that included descriptions of new species.

Geneticist Anne McLaren is remembered for her pioneering research in embryology that paved the way for further research in fertility treatments such as in-vitro fertilization. The Royal Society fellow had also appeared as a child actor in the film adaptation of the H.G. Wells novel Things to Come.



Born to an ENT surgeon in Germany, Hans Adolf Krebs followed in his father’s footsteps and studied medicine. After fleeing Nazi Germany, he went to England, where he joined the University of Cambridge as a researcher. The Nobel Prize-winning scientist is remembered for his groundbreaking discovery of cellular respiration.


Tomas Lindahl is a Swedish-British scientist who specializes in cancer research. He is best known as the winner of the 2015 Nobel Prize in Chemistry, which he received alongside Turkish chemist Aziz Sancar and American chemist Paul L. Modrich. Over the years, Tomas Lindahl has also been honored with other prestigious awards such as the Royal Medal and Copley Medal.


British biologist Ian Wilmut revolutionized embryology by leading the team of researchers who successfully created the first cloned mammal, the sheep named Dolly. A leading proponent of cryopreservation, he also implanted the first calf embryo, Frostie, in a surrogate cow. He was later knighted for his achievements.



British naturalist and biologist John Needham was also a Roman Catholic priest who became the first Catholic clergyman to be named a Fellow of the Royal Society of London. He supported the theories of spontaneous generation and vitalism. He also served the Imperial Academy in Brussels as its director.


Apart from being a successful scientist with a focus on neurodegenerative diseases such as Parkinson's disease and Alzheimer's disease, Susan Greenfield teaches pharmacology at the Lincoln College, Oxford. She is also part of the House of Lords and has penned a sci-fi novel. She supports causes such as Dignity in Dying, too.

Charles Galton Darwin was an English physicist. Born into a prominent family of intellectuals, he was the son of mathematician George Howard Darwin and a grandson of biologist Charles Darwin. He studied mathematics at Trinity College, Cambridge, and began an academic career. He, later on, served as the director of the National Physical Laboratory (NPL). He loved to travel.
Venkatraman Ramakrishnan is a British-American structural biologist whose research on the function of the ribosome earned him the 2009 Nobel Prize in Chemistry which he shared with Ada Yonath and Thomas A. Steitz. From 2015 to 2020, he served as the president of the Royal Society.

British embryologist C.H. Waddington had studied paleontology before turning to biology. A professor of zoology and embryology, he later also taught animal genetics. His interests also included poetry, painting, and Marxism. He introduced concepts such as epigenetic landscape and genetic assimilation, and penned books such as Principles of Embryology.



Pioneering South African-born British developmental biologist Lewis Wolpert is known for introducing the French flag model of embryonic development. He was associated with King’s College London and University College London. A victim of depression and suicidal thoughts in his later years, he wrote about his condition in the book Malignant Sadness.


Norman Heatley was an English biochemist and biologist. He was part of a team of Oxford University scientists whose work led to the development of penicillin. Heatley is credited with developing a technique for purifying penicillin in bulk. Norman Heatley's contribution in the development of penicillin was not fully recognized until 1990.

G. Evelyn Hutchinson was a British ecologist best remembered for his contributions to the fields of systems ecology, limnology, entomology, radiation ecology, biogeochemistry, genetics, art history, philosophy, anthropology, religion, and a mathematical theory of population growth. G. Evelyn Hutchinson is sometimes referred to as the father of modern ecology.

Ray Lankester was a British zoologist and evolutionary biologist. Lankester held chairs at Oxford University and University College London. He is also remembered for his association with the Natural History Museum, where he served as the third director. Ray Lankester was honored with several prestigious awards, including the Copley Medal.

David Lack was a British evolutionary biologist best remembered for his immense contributions to ecology, ornithology, and ethology. He is also remembered for writing several historically significant books, such as Darwin's Finches and Life of the Robin. David Lack is also credited with developing what came to be known as Lack's Principle or group selection.

Apart from being a botanist, Paul J. McAuley is also a popular sci-fi author, who loves writing on themes such as space travel and alternate reality. Known for his award-winning novels such as Four Hundred Billion Stars and Fairyland, he has also penned a few short stories.

Karl Shuker is a British cryptozoologist, zoologist, and author. He is currently working as a writer and zoological consultant in the Midlands, England. Shuker is best known for his contribution to magazines, such as Fortean Times, where he is a columnist. Karl Shuker is also associated with the Journal of Cryptozoology, where he is working as the editor-in-chief.

English biologist and anthropologist Walter Baldwin Spencer is remembered for his pioneering study of the indigenous population of Australia. He initially taught biology but later drifted to anthropology. He was also knighted but died while on an expedition to study the Ushuaia of the Tierra del Fuego.