what did roy rogers die of?
Congestive Heart Failure
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 Johnson had several health problems , including childhood tuberculous scrofula resulting in deep facial scarring , deafness in one ear and blindness in one eye , gout , testicular cancer , and a stroke in his final year that left him unable to speak ; his autopsy indicated that he had pulmonary fibrosis along with cardiac failure probably due to hypertension , a condition then unknown . Johnson displayed signs consistent with several diagnoses , including depression and Tourette syndrome ( TS ) . 

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 On one day during his treatments , as his wife was wheeling him down a hospital corridor , Cullen went into cardiac arrest , requiring doctors to use a defibrillator to revive him . He underwent a bone marrow transplant that briefly reduced his immune system to the point that he could have very little human contact . Another examination in April 1998 revealed that the cancer was finally gone , and Cullen immediately began training for a comeback . 

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 At the beginning of December 1997 , Bremner was rushed to hospital after suffering from pneumonia , but suffered a suspected heart attack at his Doncaster home in the small village of Clifton and died two days before his 55th birthday . 

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 Thomas died at noon on 9 November , still in a coma . A post mortem gave the primary cause of death as pneumonia , with pressure on the brain and a fatty liver as contributing factors . 

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 After feeling unwell the night before , Frise died of a heart attack in his home in Toronto on 13 June 1948 , at age 57 . Clark telephoned Cranston on hearing the news , saying , " A great gentleman has passed on . " Frise was buried at Prospect Cemetery in Toronto . 
