Which leaders signed the atlantic charter, declaring that their countries had no interest in personal gains in the war? roosevelt mussolini churchill hitler?

It was Franklin D. Roosevelt and Winston Churchill who signed the Atlantic Charter. This document, developed during 1941, was one in which FDR and Churchill were beginning to organizing what a post war world would look like. This document was supported by 26 other nations after its creation in August of 1941. Many consider this document the foundation for the organization known as the United Nations. 

In my honest opinion , i’d say franklin d roosevelt was a president that impacted our nation , i say this because fdr is voted among top three best us presidents and he was the longest serving president by 3 terms , usually presidents only supposed to have two terms increments of 4 years , equivalent to 8 years total before election time. and he established the fdic , through the 1933 banking act and he established the us , social security system , during his presidency, and established a national minimum wage , through the fair labor standards act , fdr led the allied coalition to victory in wwii and he played a major role in the creation of the united nations.