What Was the Gold Rush - What Was...? Author:Joan Holub, Tim Tomkinson (Illustrator) In 1848, gold was discovered in California, attracting over 300,000 people from all over the world, some who struck it rich and many more who didn't. Hear the stories about the gold-seeking "forty-niners!" With black-and white illustrations and sixteen pages of photos, a nugget from history is brought to life!