This should include a brief history, their approach to leadership on leading the organization, themselves and others, also their traits, skills, style and approach on leadership. Explain their leadership styles under the various leadership theories and a comparison of the two leaders (similarities and differences). I also need a summary of the significant findings and perspectives acquired from the following article.

References:
1. Houghton, J. D., & Yoho, S. K. (2005). Toward a contingency model of leadership and psychological empowerment: when should self-leadership be encouraged?. Journal of Leadership & Organizational Studies, 11(4), 65-83.
2. Howell, J. P., DelaCerda, J., Martínez, S. M., Prieto, L., Bautista, J. A., Ortiz, J. & Méndez, M. J. (2007). Leadership and culture in Mexico. Journal of World Business, 42(4), 449-462.