The disease is named after the English doctor James Parkinson, who published the first detailed description in An Essay on the Shaking Palsy, in 1817.[19][20] Public awareness campaigns include World Parkinson's Day (on the birthday of James Parkinson, 11 April) and the use of a red tulip as the symbol of the disease.[21] People with Parkinson's who have increased the public's awareness of the condition include boxer Muhammad Ali, actor Michael J. Fox, Olympic cyclist Davis Phinney, and actor Alan Alda.[22][23][24][25]