Heidi Hammel quotes and aphorisms Heidi Hammel Heidi Hammel Heidi Hammel Heidi Hammel Heidi Hammel ,, I don't think I could advocate for increasing NASA's budget by a factor of two or ten, because I wa... Heidi Hammel ,, We need to be very thoughtful about how we propose to spend the money that NASA does have for space... Heidi Hammel Heidi Hammel Heidi Hammel Heidi Hammel