Firefighter Paul Carey describes his journey through the ranks of the BFD and his leadership style as a district chief. He describes himself as a "reluctant chief".

Oral history is a field of study and a method of gathering, preserving and interpreting the voices and memories of people, communities, and participants in past events. Oral history is both the oldest type of historical inquiry, predating the written word, and one of the most modern, initiated with tape recorders in the 1940s and now using 21st-century digital technologies.

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When using oral history as a source material, several caveats exist. The person being interviewed may not accurately recall factual information such as names or dates, and they may exaggerate. To avoid this, interviewers can do thorough research prior to the interview and formulate questions for the purpose of clarification. There also exists a pre-conceived notion that oral history is less reliable than written records. Written source materials are different in the execution of information, and that they may have additional sources. Oral sources identify intangibles such as atmosphere, insights into character, and clarifications to points made briefly in print. Oral history can also indicate lifestyle, dialect and terminology, and customs that may no longer be prominent.