He served in the United States Army during World War I. Lederer worked in the office of the Pennsylvania Auditor General as an auditor and an investigator.

Lederer served in the Pennsylvania House of Representatives from 1949 until his death.

His sons Raymond and William also served in the Pennsylvania General Assembly.

His daughter-in-law Marie also served in the Pennsylvania General Assembly.

This article about a member of the Pennsylvania House of Representatives is a stub.