Hugo Black,
Mine Safety Appliances Company v…
“ For according to these cases, if we assume, as we must for the purpose of disposing of the jurisdictional issue, that appellant's allegations including the one that the Renegotiation Act is unconstitutional are true, the fact that the Secretary had acted pursuant to the command of that statute would have made no difference. These cases hold that a public officer can not justify a trespass against a person's property by invoking the command of an unconstitutional statute. ”
