identify and discuss the required technical skills and abilities which the leader must personally possess (i.e. science), and

(2) how s/he must explain that knowledge to develop abilities within his/her Team (i.e. art).

focused on the science of leadership and the need for mastery of technical components, as well as an understanding of the leadership role in facilitating effective and efficient practices, systems and processes necessary for the achievement of desired business goals and objectives.

How is leadership a science and how is it an art post a outside official source

Real source required no opinions