Discusses Robert Wilson, the particle physicist who built the Fermilab Accelerator; Mark Ptashne, who made a lifetime study of the lambda virus; and John McCarthy, who is a major contributor in the field of artificial intelligence.
Presents a short biography of Cesar Chavez, the founder of the United Farm Workers of America, and describes how he fought to establish better working conditions and wages for migrant workers in California.
Tells the life story of C?esar Ch?avez, whose efforts as a labor leader in the mid-twentieth century brought better working conditions to migrant farmworkers in the U.S.
Presents a collection of brief biographical sketches of individuals that were leaders, including Elizabeth Blackwell, Cesar Chavez, Helen Keller, and Jackie Robinson, describing their accomplishments.
