Short hands-on lessons on the 100 people who most shaped human history, in war, philosophy, religion, art, science, engineering and economy. Sign in to keep your progress on every device and join the weekly, monthly and all-time leaderboards.
What you get
- Lessons of about nine minutes, with diagrams and hands-on activities.
- Questions that check you: choose, put in order, match, sort and estimate a number.
- Cards that set out where researchers disagree, and sources listed for every lesson.
- Spaced review brings back questions from finished lessons, up to five a day.
- A glossary of key terms, and a map of the published rankings and course outlines the courses follow.
- Three levels, from the best-known names to the debates still running today.
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