Which one of the following types of leaders does not figure in Mooney and Reiley's classification of leaders?

Mooney and Reiley, in their classic work Onward Industry (1931), proposed a specific classification of leaders that every student of public administration and management must remember clearly. According to them, leaders can be divided into three distinct types — Titular Leaders, Controllers, and True Organizers. Formal leaders do not appear anywhere in this classification, which is exactly what makes it the correct answer here. It is important not to confuse Mooney and Reiley's classification with general leadership theories that commonly use terms like formal and informal leaders — their classification is unique, focused on the degree of real authority and organisational ability a leader actually possesses.

• Titular Leaders: Hold leadership position in name only, possessing little or no real authority within the organisation
• Controllers: Leaders who primarily direct and coordinate organisational activities through administrative control and supervision
• True Organizers: The most effective and complete type — capable of genuinely inspiring, coordinating, and leading people toward shared organisational goals
• Formal Leaders: A broader management concept that does not belong to Mooney and Reiley's specific leadership classification framework