Background Harry julian allen proposed an alternate solution, using pencil and paper Contradicted 50 years of research Suggested a blunt body would better put more of the heat the air and less into the body Strong bow shockwaveBackground • Harry Julian Allen proposed an alternate solution, using pencil and paper – Contradicted 50 years of research – Suggested a blunt body would better put more of the heat the air and less into the body – Strong bow shockwave