Photo credits Wright Brothers: Photo Researchers, Getty Images; Pablo Picasso: Ralph Gatti, Staff, Getty Images; George Washington Carver: Photo by Hulton Archive/Getty Images; Ida B. Wells: Chicago History Museum /Getty Images; Steve Jobs: Bloomberg, Contributor, Getty Images; Florence Nightingale: ullstein bild, Contributor, Getty Images; Kid photographer: Tatyana Gladskikh, Dreamstime; Obstacle course: gbh007, iStockphoto; Science: RichVintage, iStockphoto; Writing: pixdeluxe, iStockphoto; Complex math: Marcel De Grijs, Dreamstime; Legos: Paulus Rusyanto, Dreamstime; Aviator goggles: Underworld, Dreamstime; Elton John shades: Bogdandreava, Dreamstime; Safety goggles: Shakeyimages, Dreamstime; Clark Kent style: Mario Jimenez Jr, Dreamstime; Round glasses: EricFerguson, iStockphoto; Steampunk glasses: Roman Lup¡ek, Dreamstime; Turned-out pockets: Pavel Losevsky, Dreamstime; Old tickets: David Franklin, Dreamstime; Money: Alexander Levchenko, Dreamstime; Pencil: Yury Shirokov, Dreamstime; Cell phone: Dave Bredeson, Dreamstime; Gum: Oleg Doroshin, Dreamstime; Birds and plane: olaser, iStockphoto; Elephant painting: Boonsom, Dreamstime; Service dog: adogslifephoto, iStockphoto; Frog on books: Brenda Carson, Dreamstime; Cat and computer mouse: Okssi68, Dreamstime; Moth and lightbulb: anopdesignstock, iStockphoto; drone: Pixabay; Art supplies: Poznyakov, Dreamstime; Microscope: Ruslan Gilmanshin, Dreamstime; Journal and pencil: Oleksandr Boiko, Dreamstime; Electronics: Jannoon028, Dreamstime; Soldering table: 3rdkey, Dreamstime; Leather: Junede, Dreamstime; Canvas:Pixabay;Cotton: Leiladraws, Dreamstime; Tweed: Xenona, Dreamstime; Denim: Warinthorn Krueangkham, Dreamstime; Kevlar: Marek Uliasz, Dreamstime
