After about 1940, scientists generally stopped looking for elements in nature. Instead, they had to ... - Sam Kean Quotes from quotely.org
After about 1940, scientists generally stopped looking for elements in nature. Instead, they had to create them by smashing smaller atoms together. by Sam Kean

After about 1940, scientists generally stopped looking for elements in nature. Instead, they had to create them by smashing smaller atoms together.

Sam Kean