|Agency||Chicago Fire Department|
|Type of Firefighter||Career|
|Age Range||46 to 50|
|Date of Birth||0/0/0|
|Date of Death||6/10/1960|
|Cause of Death||Stress/Overexertion|
|Nature of Death||Heart attack|
|Attribute of Death||[not applicable]|
|Type of Duty||Firefighting operations|
On June 10, 1960, Chicago Fire Department Firefighter William Donnelly of Hook and Ladder 29 suffered a fatal heart attack in the line of duty while fighting a fire in a factory on Lake Street.
“Fireman Suffers Fatal Heart Attack at Blaze,” Chicago Daily Tribune, June 11, 1960.