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Revolution: Dr. Harold Johns demonstrates the high-energy radiation unit he developed. It took 60 minutes to treat patients with 200,000-volt machines(...)
Revolution: Dr. Harold Johns demonstrates the high-energy radiation unit he developed. It took 60 minutes to treat patients with 200,000-volt machines(...)

Revolution: Dr. Harold Johns demonstrates the high-energy radiation unit he developed. It took 60 minutes to treat patients with 200,000-volt machines(...)

Date6/27/1980
Names
(photographer)
FormatPicture
Notes
Original Toronto Star caption: Revolution: Dr. Harold Johns demonstrates the high-energy radiation unit he developed. It took 60 minutes to treat patients with 200,000-volt machines, his Cobalt 60 - capable of 3 million volts in a 10-minute treatment - made the old machines obsolete overnight.
Subject
    Medium
    Photographs
    Language
      ProvenanceFrom the Toronto Star Archives
      CollectionToronto Star Photograph Archive
      Usage Rights Copyright (Learn More)
      Copyright HolderToronto Star (Firm)
      Object NumberTSPA_0057791F
      Dr. Harold Johns, who developed the world's first Cobalt 60 high-energy radiation unit for cancer, steps down this week from the Ontario Cancer Instit(...)
      Dr. Harold Johns, who developed the world's first Cobalt 60 high-energy radiation unit for cancer, steps down this week from the Ontario Cancer Instit(...)
      Johns, Harold Elford
      6/27/1980
      Tumor specialist: Dr. Rudy Falk, beside ba machine that helps destroy cancer cells with heat, treats 30 to 50 terminally ill patients day at his private clinic
      Tumor specialist: Dr. Rudy Falk, beside ba machine that helps destroy cancer cells with heat, treats 30 to 50 terminally ill patients day at his private clinic
      Bull, Ron
      4/16/1990
      Fifty-three years of almost ouch-less dentistry has been enough for Dr. John Stephens Wilkinson, 72. Here he treats one of the last of his patients, Bob McLaughlin
      Fifty-three years of almost ouch-less dentistry has been enough for Dr. John Stephens Wilkinson, 72. Here he treats one of the last of his patients, Bob McLaughlin
      Combs, Erin
      12/18/1977
      No human error: Assessment and elections clerk Candida Zeppieri demonstrates one of North York's new electronic voting machines, which will read and record ballots as they are inserted
      No human error: Assessment and elections clerk Candida Zeppieri demonstrates one of North York's new electronic voting machines, which will read and record ballots as they are inserted
      Russell, Jim
      10/20/1987
      Kidney specialist Dr. Paul Tam vowed to bring a $1 million kidney dialysis unit to Scarborough after Gary Belz died of a heart attack due to kidney failure more than two years ago. Tam said if Belz, then 37, hadn't had to wait a month for dialysis treatment at a downtown hospital, he would still be alive today. And Tam said the dozens of patients who travel downtown for dialysis would have a much, much better quality of life if a unit were Scaborough. But after [Incomplete]
      Kidney specialist Dr. Paul Tam vowed to bring a $1 million kidney dialysis unit to Scarborough after Gary Belz died of a heart attack due to kidney failure more than two years ago. Tam said if Belz, then 37, hadn't had to wait a month for dialysis treatment at a downtown hospital, he would still be alive today. And Tam said the dozens of patients who travel downtown for dialysis would have a much, much better quality of life if a unit were Scaborough. But after [Incomplete]
      Dunlop, Al
      11/24/1986
      $170,000 detective: Dr. Kal Schneider, of Etobicoke General Hospital's radiology department, is all smiles as he demonstrates hospital's new ultrasound machine, in which sound waves are used to obtain pictures of the body's internal organs, including the heart. Schneider is holding a transducer, which sends out sound wave.
      $170,000 detective: Dr. Kal Schneider, of Etobicoke General Hospital's radiology department, is all smiles as he demonstrates hospital's new ultrasound machine, in which sound waves are used to obtain pictures of the body's internal organs, including the heart. Schneider is holding a transducer, which sends out sound wave.
      Slaughter, Mike
      2/13/1980
      Inventor and former prospector Henry Charbonneau, 78, demonstrates the exercise bicycle he developed that helps both arms and legs. He's hoping to find a manufacturer
      Inventor and former prospector Henry Charbonneau, 78, demonstrates the exercise bicycle he developed that helps both arms and legs. He's hoping to find a manufacturer
      Beaty, Keith
      11/26/1977
      Prescribes no drugs: Dr. Eric Shrubb, president of the Ontario Naturopathic Association, says levels of public health are deteriorating due to overuse of drugs. Shrubb treats patients with vitamins, minerals and herbal remedies.
      Prescribes no drugs: Dr. Eric Shrubb, president of the Ontario Naturopathic Association, says levels of public health are deteriorating due to overuse of drugs. Shrubb treats patients with vitamins, minerals and herbal remedies.
      Bock, Tony
      12/15/1981
      Space-age x-ray: Dr. James Dickie, head of radiology at Scarborough General Hospital, studies an X-ray as the hospital's new Angicon unit scans a patient's blood vessels. The unit could save the lives of many Metro seniors.
      Space-age x-ray: Dr. James Dickie, head of radiology at Scarborough General Hospital, studies an X-ray as the hospital's new Angicon unit scans a patient's blood vessels. The unit could save the lives of many Metro seniors.
      Russell, Jim
      12/14/1982
      He thinks kids are wonderful, and that was one reason 82-year-old pensioner William Brown walked into the Hospital for Sick Children yesterday and gave away $5,500 in $10 and $50 bills to buy special treats for patients.
      He thinks kids are wonderful, and that was one reason 82-year-old pensioner William Brown walked into the Hospital for Sick Children yesterday and gave away $5,500 in $10 and $50 bills to buy special treats for patients.
      Goode, Jeff
      3/13/1970
      Clinical researcher Jeannette Koppenstenier demonstrates use of a nebulizer developed for a proposed study of the drug pentamidine. The nebulizer is not available to the general public
      Clinical researcher Jeannette Koppenstenier demonstrates use of a nebulizer developed for a proposed study of the drug pentamidine. The nebulizer is not available to the general public
      Dunlop, Al
      3/24/1988
      Pency Pearson who developed the bagging technique demonstrates the should plug installation tool
      Pency Pearson who developed the bagging technique demonstrates the should plug installation tool
      Dunlop, Al
      4/12/1985