Unit One Neil Alden Armstrong 1
Unit Two Ralph Johnson Bunche 14
Unit Three Roberto Goizueta 27
Unit Four Anwar Sadat 38
Unit Five Akio Morita 52
Unit Six Carl Lewis 65
Unit Seven Napoleon Bonaparte 83
Unit Eight Pablo Picasso 99
Unit Nine Bill Gates 116
Unit Ten Martin Luther King 128
Unit Eleven Friedrich Froebel 143
Unit Twelve Ludwig van Beethoven 158
Unit Thirteen King Hussein 175
Unit Fourteen Stephen Hawking 188
Unit Fifteen Isaac Asimov 201
Unit Sixteen Theodore William Richards 216
Unit Seventeen Ernest Miller Hemingway 232
Unit Eighteen Pierre Curie 246
Unit Nineteen George Bernard Shaw 263
Unit Twenty Mother Teresa 280
Key to the Exercises 298