This is the number of squares on a standard chessboard
64
This Egyptian queen was famously associated with Julius Caesar and Mark Antony
Cleopatra
This flightless bird is the largest living bird in the world
Ostrich
Honey Crisp, Pink Lady, Granny Smith
Apples
This Austrian composer died at just 35, but his music later became some of the most celebrated classical music ever written
Wolfgang Amadeus Mozart
This is the number of permanent teeth typically found in an adult human
32
This scientist developed the theory of relativity and was awarded the Nobel Prize in Physics in 1921
Albert Einstein
This African mammal has a tongue that can grow to around 20 inches long and uses it to grab leaves
Giraffe
The Beatles, The Rolling Stones, The Who
British Bands
This Dutch painter sold very few paintings during his lifetime but became one of the world's most famous artists after his death in 1890
Vincent Van Gogh
In bowling, this is the highest possible score in a single game
300
This woman became famous for nursing wounded soldiers during the Crimean War and is considered a founder of modern nursing
Florence Nightingale
This mammal is the fastest land animal, capable of reaching speeds around 60–70 mph in short bursts
Cheetah
Penguin, Ostrich, Emu
This Mexican artist's self-portraits became internationally famous and culturally iconic after her death in 1954
Frida Kahlo
This is the only even prime number
2
This ancient Macedonian king created one of the largest empires of the ancient world before his death at age 32
Alexander the Great
This marine mammal can sleep while floating and sometimes holds hands with others so they don't drift apart
Sea Otter
Yukon, Columbia, Snake
U.S. Rivers
This American poet published only a small number of poems during her lifetime, but thousands of her poems were published after her death
Emily Dickinson
In Roman numerals, this letter represents the number 50
L
This philosopher wrote The Republic and was a student of Socrates
Plato
This shark species is the largest fish in the world, despite feeding primarily on plankton
Whale Shark
Einstein, Newton, Galileo
Physicists
This American author wrote Leaves of Grass, which grew in reputation over the years and eventually made him one of America's most influential poets
Walt Whitman