Biography
John Wallberg was from Kansas. John Wallberg was sentenced to three years and six months in prison and served in Leavenworth Penitentiary from December 18, 1919, until his release on bond on June 17, 1921.
The March 1920 One Big Union Monthly roster, printed as WALLBERG , JOHN, reports: Federal . Indicted Wichita , Sept. 24 , 1918. Conspiracy. Convicted Dec. 1919 , 3½ year sentence . Leavenworth Federal prison. The roster is a contemporary labor-defense account. Its indictment, bail and imposed-term information is kept distinct from actual admission/release and complete time served; no missing gate date is inferred. Source: https://www.marxists.org/history/usa/pubs/one-big-union-monthly/v02n03-mar-1920_One%20Big%20Union.pdf#page=20
The March1922 official report lists John Wallberg in List1 of convicted prisoners or parolees. The government entry reports Conspiracy. a sentence of December 18, 1919, 3 years and 6 months at Leavenworth.. Imposed terms, projected term-expiration dates, parole eligibility and intervals on bond are different measures; none is entered as a complete actual custody total. This attributed government entry is retained alongside the independently established individual chronology. [PDF19] The official report individually records June17,1921 release on bond or by court order. This is an accomplished physical-release event, distinct from parole eligibility and projected expiry. The sentence date is not automatically treated as original arrest or complete continuous prison admission. [PDF19]
Government Prosecutions under the Espionage Act, Senate Document159 (March1922), PDF page 19.