Genius Doodles started from a simple thought: the people who explained how the universe works deserve better than a stiff textbook portrait. So they became doodles. Our Einstein T-shirt shows him in a mustard cardigan with a little thought bubble; Marie Curie appears among wildflowers.
This post is about what's behind the drawings: the real science each of them did, a few popular myths that need gentle correcting, and a gift guide for the science lover in your life.
What are Genius Doodles?
Genius Doodles are playful doodle portraits of scientists and other great minds, printed on 260 GSM French terry oversized tees, with matching framed posters and coffee mugs. The science side of the range includes Einstein, Feynman, Curie, Tesla, Ada Lovelace, Newton, Hawking, Schrödinger and Heisenberg.
You'll find the whole line-up in our Genius Doodles scientist T-shirts collection. The range also covers artists, composers and philosophers, but this post sticks to science. They'll get their own.
The Einstein T-shirt: what E=mc² says, and why his Nobel wasn't for relativity
E=mc² says mass and energy are two forms of the same thing: energy equals mass times the speed of light squared. Because the speed of light is so large, a tiny amount of mass corresponds to a huge amount of energy. Einstein's Nobel Prize, though, was for explaining the photoelectric effect, not for relativity.
The equation came out of 1905, Einstein's extraordinary year, when he published papers on the photoelectric effect, Brownian motion and special relativity, followed by a short paper showing that a body's mass depends on its energy content. To get a feel for the scale: one gram of mass is equivalent to about 9 × 10¹³ joules, roughly 25 million kilowatt-hours.
Now the Nobel. Einstein won the 1921 Nobel Prize in Physics "for his services to Theoretical Physics, and especially for his discovery of the law of the photoelectric effect." He actually received it in 1922, because the committee decided in 1921 that no nomination met its criteria and held the prize over a year. Relativity, still hotly debated at the time, wasn't named in the citation.
His photoelectric work proposed that light behaves as if it comes in small packets of energy, now called photons. It became one of the foundations of quantum physics.
Myth: Einstein failed maths. He didn't. He was strong at mathematics from a young age and had taught himself calculus by his mid-teens. The story probably comes from his first attempt at the entrance exam for the Swiss Federal Polytechnic in Zurich in 1895. He was about two years younger than most candidates and did well in maths and physics, but fell short in the general subjects. He finished school in Aarau and started at the Polytechnic in 1896.
Wear the equation with confidence: our Albert Einstein T-shirt has the doodle, not the myth.

Richard Feynman: diagrams, great teaching and an O-ring in iced water
Richard Feynman is famous for quantum electrodynamics, or QED, the theory of how light and matter interact, and for Feynman diagrams, the simple sketches physicists still use to calculate particle interactions. He shared the 1965 Nobel Prize in Physics with Julian Schwinger and Sin-Itiro Tomonaga, and he was a legendary teacher.
Feynman diagrams, which he developed in the late 1940s, turn an intimidating calculation into a picture. Straight lines stand for particles such as electrons, wavy lines for photons, and each way of connecting them stands for one term in the calculation. They're still on blackboards in physics departments around the world.
His teaching is just as famous. The Feynman Lectures on Physics grew out of the introductory course he taught at Caltech in the early 1960s and are still widely read. The "Feynman technique" for studying, explaining an idea in plain words as if teaching someone else, is named after his style rather than a method he wrote down.
Then there was 1986. As a member of the presidential commission investigating the loss of the Space Shuttle Challenger, Feynman put a piece of the O-ring material in a glass of iced water at a televised hearing. It lost its springiness in the cold, showing in seconds why a freezing launch morning was a problem for the shuttle's seals.
Our Richard Feynman T-shirt is for anyone who prefers their physics explained plainly. For a hostel wall, there's also a framed Feynman poster in the collection.

Marie Curie: two elements, two Nobel Prizes, two sciences
Marie Curie discovered the elements polonium and radium with Pierre Curie, was the first woman to win a Nobel Prize, and remains the only person to win Nobel Prizes in two different sciences: Physics in 1903, shared, and Chemistry in 1911, on her own.
The Curies announced polonium and radium in 1898. Marie named polonium after her native Poland.
The 1903 Physics prize went to Marie and Pierre Curie, together with Henri Becquerel, for research on the radiation phenomena Becquerel had discovered. The 1911 Chemistry prize was hers alone, for discovering radium and polonium and for isolating radium.
A small correction to a common line: Curie didn't discover radioactivity. Henri Becquerel found the effect in 1896, in uranium salts. Marie Curie coined the word "radioactivity", and her research with Pierre helped turn it into a field of its own.
Our Marie Curie oversized tee is a favourite pick for chemistry students.
Nikola Tesla: AC motors, coils and a few myths
Nikola Tesla developed the alternating-current induction motor and the polyphase AC system it runs on, and built the Tesla coil. He didn't invent alternating current itself, which was known before his work, and he didn't single-handedly invent radio. But his AC work is part of how electricity still reaches your home.
Tesla patented his polyphase AC motor in 1888 and licensed his patents to George Westinghouse, whose company championed AC against Thomas Edison's direct current. AC won out for long-distance power, because its voltage can be stepped up and down with transformers.
The Tesla coil, from 1891, produces very high voltages at high frequencies, which is where those dramatic indoor lightning displays come from. The SI unit of magnetic flux density, the tesla, is named after him.
Myth: Tesla invented radio. Radio had several pioneers. Guglielmo Marconi shared the 1909 Nobel Prize in Physics with Ferdinand Braun for wireless telegraphy. In 1943, the US Supreme Court invalidated parts of a Marconi patent because of earlier work by Tesla and others. That was a patent ruling, not a declaration that Tesla invented radio.
Myth: free energy. Tesla's dream of transmitting power wirelessly from his Wardenclyffe tower never worked as planned, and the project was abandoned. Energy still has to come from somewhere.
Our Nikola Tesla oversized tee is the engineering student's pick.
Ada Lovelace: the first computer programmer?
In 1843, Ada Lovelace published notes on Charles Babbage's planned Analytical Engine that included a step-by-step method for the machine to calculate Bernoulli numbers. It's often called the first published computer program. Historians still debate the title, because Babbage had sketched programs earlier, but her vision of what the machine could do was her own.
Lovelace translated an article about the engine by the Italian engineer Luigi Menabrea and added her own notes, which ended up longer than the article itself. The Bernoulli method is in the last one, Note G.
What makes her notes stand out is the leap beyond arithmetic. She suggested the engine could work with symbols, not just numbers, and might one day compose music. That's very close to how we think about computers now. Her doodle tee is part of the range too.
Quick hits: Newton, Hawking, Schrödinger, Heisenberg and Oppenheimer
A one-line cheat sheet for the rest of the science line-up, all available as Genius Doodles tees:
- Isaac Newton set out his three laws of motion and universal gravitation in the Principia (1687), and used prisms to show that white light is a mix of colours.
- Stephen Hawking showed in 1974 that black holes should give off faint radiation, now called Hawking radiation.
- Erwin Schrödinger's cat (1935) was a thought experiment meant to show how strange it seemed to apply quantum superposition to everyday objects. It wasn't an endorsement.
- Werner Heisenberg's uncertainty principle (1927) says the more precisely a particle's position is known, the less precisely its momentum can be known. It's a property of nature, not a problem with clumsy measuring, so it isn't the same as the "observer effect".
- J. Robert Oppenheimer directed the Los Alamos Laboratory during the Manhattan Project.
Gift guide: match the scientist to the student
Match the tee to what they study: Einstein or Feynman for physics, Curie for chemistry, Lovelace for computer science and Tesla for engineering. Then pick the format they'll actually use: a tee for everyday wear, a framed poster for a hostel wall or a mug for late-night study sessions.
Every Genius Doodles tee is printed on 260 GSM French terry, 90% cotton and 10% polyester, in an oversized, drop-shoulder fit. Each one is made to order. Processing takes 2–3 days, then shipping generally takes 3–7 days. Metros and big cities usually get it faster, and remote areas of India take longer. Buying for a festival or a birthday? Order early.
Frequently asked questions
Why did Einstein win the Nobel Prize?
Einstein won the 1921 Nobel Prize in Physics, awarded in 1922, "for his services to Theoretical Physics, and especially for his discovery of the law of the photoelectric effect". It was not for relativity, which was still debated at the time. His photoelectric work helped lay the foundations of quantum physics.
What does E=mc² mean?
Energy equals mass times the speed of light squared. Mass and energy are two forms of the same thing, and because the speed of light is so large, a small mass corresponds to a huge amount of energy. One gram of mass is equivalent to about 90 trillion joules.
Did Einstein fail maths?
No. It's a myth. Einstein excelled at mathematics as a student and had taught himself calculus by his mid-teens. At 16 he sat the Zurich Polytechnic entrance exam about two years early, did well in maths and physics, and fell short in the general sections. He started there the following year.
What is Richard Feynman famous for?
Quantum electrodynamics and Feynman diagrams, which earned him a share of the 1965 Nobel Prize in Physics with Julian Schwinger and Sin-Itiro Tomonaga. He's also known for his teaching, especially The Feynman Lectures on Physics, and for his O-ring demonstration in iced water during the 1986 Challenger inquiry.
Why is Marie Curie famous?
She discovered polonium and radium with Pierre Curie, coined the word "radioactivity", was the first woman to win a Nobel Prize (Physics, 1903, shared) and is the only person to win Nobel Prizes in two different sciences, adding Chemistry in 1911. Radioactivity itself was discovered by Henri Becquerel in 1896.
What did Nikola Tesla invent?
Tesla developed the alternating-current induction motor, made key contributions to polyphase AC power systems and built the Tesla coil. He didn't invent alternating current itself, which was known before his work, and he didn't single-handedly invent radio. His AC motor patents, licensed to Westinghouse, helped AC become the standard for power grids.
Was Ada Lovelace the first computer programmer?
Her 1843 Note G, a method for Babbage's Analytical Engine to calculate Bernoulli numbers, is often called the first published computer program. Historians debate the title because Babbage wrote earlier sketches, but her insight that machines could go beyond numbers was hers.
What is a good gift for a physics student in India?
A tee of a scientist they love, in a fit they'll actually wear. Einstein or Feynman suit physics students, and a framed poster or a mug works for hostel rooms and study desks. Because every Genius Doodles tee is made to order, order a little early if it's for a birthday or festival.
Sources
- Nobel Prize in Physics 1921, Albert Einstein: https://www.nobelprize.org/prizes/physics/1921/einstein/facts/
- Nobel Prize in Physics 1965, Richard P. Feynman: https://www.nobelprize.org/prizes/physics/1965/feynman/facts/
- Nobel Prize in Physics 1903, Marie Curie: https://www.nobelprize.org/prizes/physics/1903/marie-curie/facts/
- Nobel Prize in Chemistry 1911, Marie Curie: https://www.nobelprize.org/prizes/chemistry/1911/marie-curie/facts/
- Nobel Prize in Physics 1909 (Marconi and Braun): https://www.nobelprize.org/prizes/physics/1909/summary/
- Engineering and Technology History Wiki (IEEE), Nikola Tesla: https://ethw.org/Nikola_Tesla
- Computer History Museum, Ada Lovelace: https://www.computerhistory.org/babbage/adalovelace/
Find your favourite mind, then pick the tee, poster or mug they'd actually use.


