David Lambert

David Lambert, (?-April 1939) first name unrevealed, nicknamed "the Chemical King", was a Gotham City businessman who was the co-owner of Apex Chemical Corporation together with Steven Crane, Paul Rogers and Alfred Stryker.

Late life and death
Lambert, Crane and Rogers had agreed to secretly sell their shares under the table to Stryker. However, on Stryker's orders Lambert was stabbed to death by a thug. He was survived by his son, John Lambert, who for a brief time was considered a suspect in the case due to his finger prints being on the murder weapon. The case was solved by the help of the Batman.