There's nothing more American than blue jeans. Here's how two married entrepreneurs turned that idea into a booming business.

Read the story:
http://www.fastcompany.com/3043191/brand-evolution/the-denim-empire-see-the-history-of-gap-in-4-minutes

Follow us on Facebook:
https://www.facebook.com/FastCompany

Follow us on Twitter:
https://twitter.com/FastCompany

Follow us on Instagram:
http://instagram.com/fastcompany

[PHOTOS: DONALD FISHER (WILLIAM S. YOUNG/CORBIS); DON AND DORIS FISHER (SAN FRANCISCO CHRONICLE/CORBIS); RECORDS (SIMON BELCHER/ALAMY); RECORDS (JUDITH COLLINS/ALAMY); SILENT GENERATION (GEORGE MARKS/CORBIS); WOODSTOCK (HENRY DILTZ/CORBIS); GOLDEN GATE (JIM SUGAR/CORBIS); GAP STORE (JERRY TELFER/CORBIS); GAP STORE (WILLIAM S. YOUNG/CORBIS); MICKEY DREXLER (MIKE MALONEY/CORBIS); MICK JAGGER (PAUL NATKIN/GETTY IMAGES); OLD NAVY (GAIL MOONEY/CORBIS)]