1. jonas salk
Jonas Salk transformed the world he came into. He made the world a better place to live in and made everyone feel safer. In 1914, the year Salk was born, several events were going on in the world. World War I began, the United States intervened in Mexico, the Clayton Antitrust Act passed, the Fe...
- Word Count: 304
- Approx Pages: 1
- Grade Level: High School