Roll of Honor
Incident
Lieutenant Knollman, who started having dizzy spells while on duty, went home where he had a heart attack and died.
Survivors
He was survived by his wife and son.
In Our Keeping
- Permanent identifier
BO-US-NY-A9DD89C0- Stewardship
- Maintained by NeuraWeb Global Inc.
- Added to badge.nw
- April 2, 2026
- Last updated
- July 23, 2026
Honored here by 1 sentinel - 1 tribute.
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Tributes
I never knew you. I am standing here anyway.
Lieutenant Knollman gave the Dunkirk Police Department 11 years.
Thank you for your service to the Dunkirk community. Gone but never to be forgotten.
Rest easy, Lieutenant Knollman.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Lieutenant John Harry Knollman is one of 1,306 officers lost to cardiac events in the line of duty across the full record of this memorial — 4% of all 32,508 officers honored here.
In NY, 99 of 2,147 officers were lost to cardiac events in the line of duty — 4.6% of this state's fallen. That is 0.6 percentage points above the national rate of 4%.
At Dunkirk Police Department, 1 of 3 officers on record were lost to cardiac events in the line of duty — 33.3% of this agency's fallen.
National Cause Distribution
How Cardiac compares to all causes of officer death in the memorial record. John Harry Knollman's cause is highlighted.
How John Harry Knollman Compares
When Cardiac Deaths Occur
Monthly distribution of Cardiac deaths across the full memorial record. John Harry Knollman is highlighted in Feb.
Others Who Wore This Badge
2 officers from Dunkirk Police Department are honored on badge.nw.
