“…Furthermore, in the 21st century, [74] provided another definition of leadership as the ability to build teams or improve the performance of established ones and get results [75] [76]. One leadership concept is the heroic or great man leadership, which appeared in a series of lectures by Thomas Carlyle in 1840 [77], in which he tried to remove the myths about the concept of the heroic leader who has supernatural qualities [78]. Other scholars, e.g., [79] found in an experiment three leadership styles that are autocratic [80][81], democratic, and laissez-faire, [82][83] found in a literature review several traits that could be standing behind the quality of leadership, e.g., risk taking, self-confidence, drive for responsibility and task completion [84], persistence in pursuit of goals, Weber listed in his book "Economy and Society" published in German for the first time three types of authority, i.e., 1) rational or legal authority or transactional leadership, which enable those who are elevated to authority to issue commands, 2) [2][85] traditional authority, which rest on a belief in the sanctity of immemorial traditions and the legitimacy of those exercising authority under them, and 3) the charismatic authority, which rest on devotion to the exceptional sanctity, heroism or exemplary character of a person, and of the order revealed by him [86][87], and [68][10] proposed the contingency leadership model, which state that the leader is effective in some circumstances and ineffective in other circumstances based on the leader and member abilities [88], which are among the most significant predictors of group performance and reflects the level of leader influence over the task itself.…”