Lyndon B. Johnson
Most legislation is signed at the White House.
Presumably all presidents have signed laws. You need to specify which law.
It was signed into law on July 30, 1965 by Lyndon B. Johnson.
When it is signed by the president
On Nov. 2, 1983, President Ronald Reagan signed the King Holiday Bill into law.
President Bush Sr.
President Harry Truman
Medicare was signed into law on July 30, 1965. The program was started to provide health insurance coverage for senior citizens.
President Obama has not signed any law pertaining to same-sex marriage. President Bill Clinton signed the Defense of Marriage Act in 1996. That is the current federal law on this matter.
I think it was President Kennedy.
president lincon