Quoc: A musical setting for "The Pledge of Allegiance to the Flag" was created by Irving Caesar, at the suggestion of Congressman Louis C. Rabaut whose House Resolution 243 to add the phrase "under God" was signed into law on Flag Day, June 14, 1954.

Who added under god to pledge of allegiance?
HW Chung: OK, some thoughts:
The relevant information to answer the above question is: A musical setting for "The Pledge of Allegiance to the Flag" was created by Irving Caesar, at the suggestion of Congressman Louis C. Rabaut whose House Resolution 243 to add the phrase "under God" was signed into law on Flag Day, June 14, 1954. The answer is Congressman Louis C. Rabaut.