The Roman emperor Julius Caesar wore his hair short and flat against his head, but brushed forward from the crown. ()
Having to wear a long wig might sound like social suicide to the modern man, but in 17th century France it was a sign of status, made popular by King Louis XIV. He made public appearances and frequently posed for portraits in a long, dark brown wig with loose waves. (Getty Images)
President George Washington went against the trends of his day by not wearing a wig. Instead he powdered his own hair and pulled it back, augmenting it with extra-long sideburns. (Getty Images)
Author Charles Dickens was noted for his comb-over. He would comb a large chunk of hair from the right side of his head over to the left, creating a thick mess of curls. ()
Sure, Albert Einstein won the Nobel Prize in physics, but his long hair and seeming lack of interest in its appearance made his “mad scientist” persona legendary. (AFP / Getty Images)
Actor Rudolph Valentino, pictured with Gloria Swanson, lighted up the silver screen with his defined side part and glossy jet black hair in such films as “Beyond the Rocks” (1922) and “The Young Rajah” (1922). (Milestone Film & Video)
James Dean and Elvis Presley made the pompadour hairstyle famous for bad boys. The hair is cut short on the sides and left longer on top. It’s then combed forward and flipped up and back in one long wave, creating a voluminous pouf at the front of the hairline. Presley sometimes wore his style with thick sideburns. (Paramount Pictures)
Bob Dylan’s fine curly locks stood straight up on his head, which, for some, made the disheveled look something desirable. (Barry Feinstein)
The Beatles all sported the mop top early in their careers. Their brown locks were cut at uniform length with a fringe of long bangs just above the eyes. (Apple Corps Ltd.)
Jimi Hendrix made the Afro hairstyle a must-try for anyone with naturally curly hair or a perm and a gift for teasing. ()
Dreadlocks have long had religious or mystical symbolism in Africa, India and other cultures. Reggae star Bob Marley of Jamaica brought them into the mainstream. (Adrian Boot)
Michael Douglas made the slicked-back look famous when he portrayed Gordon Gekko in the film “Wall Street” (1987). The character’s hair proved to be a fitting style to go with the Gordon Gekko uniform: suspenders, collared shirts and printed ties. ()
Kurt Cobain wore his hair parted down the middle, long and straight. This became “the” haircut for anyone starting a grunge band in their garage. (Richard A. Brooks / AFP/ Getty Images)
The mohawk hairstyle was first associated with ancient mummies and the Native American Mohawk tribe, but it became a popular symbol of rebellion in the punk rock movement during the 1980s. It was achieved by shaving the sides of the head and spiking the middle hair with product. (In the ‘90s and 2000s, the style was still prominent among rockers such as Travis Barker from the band Blink-182.) The style gradually transitioned to the everyday wearable faux-hawk. This style features longer hair that has been gathered, raised and slightly spiked at the top of the head with product. Soccer players David Beckham and Cristiano Ronaldo have sported faux-hawks. (Daniel Garcia / AFP /Getty Images)
Donald Trump might be best known for his signature comb-over and its vulnerability to any gusts of wind. His thin red locks are meticulously swept across the top of his head, over his bald spot. (Cindy Ord / Getty Images)
Justin Bieber drives teeny-boppers wild with his long, side-swept hair. The head whipping may have been necessary for him to see out from beneath his overgrown bangs, but it became a signature move for those rocking “The Bieber.” (Allen J. Schabenm / Los Angeles Times)
