318 U.S. 80 (1943) Cited 3,800 times 15 Legal Analyses
Holding that "an administrative order cannot be upheld unless the grounds upon which the agency acted in exercising its powers were those upon which its action can be sustained"
307 U.S. 496 (1939) Cited 1,619 times 1 Legal Analyses
Holding that to establish a claim under the Privileges and Immunities Clause, plaintiffs must allege discrimination on the basis of out-of-state residency
Emphasizing that the Board's remedial power "is not limited to the illustrative example of one type of permissible affirmative order," such as backpay, and cautioning that the "particular means by which the effects of unfair labor practices are to be expunged are matters 'for the Board not the courts to determine'" (first citing Phelps Dodge, 313 U.S. at 187, 189; then quoting Machinists, 311 U.S. at 82)
Finding a violation of the Act when a supervisor mistakenly believed an employee was involved with the union and discharged him "because of his alleged union activities"
In International Ass'n of Machinists v. N.L.R.B., 1940, 311 U.S. 72, 61 S.Ct. 83, 85 L. Ed. 50, there had been a long history of management favoritism to the established and hostility to the aspiring union; and in Franks Bros. Co. v. N.L.R.B., 1944, 321 U.S. 702, 703, 64 S.Ct. 817, 818, 88 L.Ed. 1020, the employer had "conducted an aggressive campaign against the Union, even to the extent of threatening to close its factory if the union won the election."