
    (No. 6444
    Gerald Heller, Roscoe Wise, John Balbach, Logan Parkinson, Haldor Schap, Eldon Hesselbacher and Earl Phillips, Claimants, vs. State of Illinois, Superintendent of Public Instruction, Respondent.
    
      Opinion filed April 18, 1972.
    
    Peter A. Hindrichs, Attorney for Claimants.
    William J. Scott, Attorney General; Saul R. Wexler, Assistant Attorney General, for Respondent.
   Perlin, C.J.  