Who conveyed messages through heavy artillery fire to General Meade’s headquarters at Gettysburg?
Reference
OpenAI's Answer
The individual who conveyed messages through heavy artillery fire to General Meade’s headquarters at Gettysburg was Captain Ulric Dahlgren. He demonstrated great promise during the Gettysburg Campaign, known for his daring and fearless actions, including delivering important messages under heavy fire.
For more detailed information, you can refer to the source: The Gettysburg Experience.