In Commemoration of Dr. Mostafa Pourtaghva Shahrestani, a Pioneer in Infectious Disease Research.

It is important to honor the contributions of scientific leaders who have dedicated their lives to advancing knowledge and serving their country. One way is to document their experiences and personalities in a documentary format, which can serve as a historical record and an inspiration for future generations. Dr. Mostafa Pourtaghva Shahrestani, a renowned physician and specialist in infectious diseases and tropical medicine, has made significant contributions to public health in Iran. He has played a crucial role in controlling infectious diseases such as smallpox, tuberculosis, rabies, plague, and cholera. Throughout his career, he has held various executive positions, including the head of Pasteur Hospital and the director of the Pasteur Institute of Iran. Dr. Pourtaghva's life is a testament to his unwavering dedication to public health services, as evidenced by his continuous effort, love, and interest in honest work. His inspiring story can serve as a model for those who seek to follow in his footsteps.

In Commemoration of Dr. Bijan Sadrizadeh, a Prominent Physician and Expert in the Field of Public Health in Iran and Around the World.

In line with the commemoration of the scientists who played a significant role in advancing knowledge and providing services to the country, it is imperative to publish their biographies so that their lives and achievements are recorded in the history of the country and serve as an example for future generations. Dr. Bijan Sadrizadeh, a physician and a public health specialist, undertook many valuable activities, particularly in the field of public health in Iran and the world during more than 60 years of great services, including the promotion of public health in the Islamic Republic of Iran, the development of I.R. Iran's international collaborations in the field of public health, and the development of research programs in the field of neglected tropical diseases and the eradication of polio in the world. He served the country in many high-level executive capacities, including three periods as deputy Minister of Health. In addition to several years of full-time employment in the World Health Organization (WHO), Dr. Sadrizadeh also served on the WHO Executive Board and was a member of numerous scientific and advisory committees. In reviewing his life, great determination, devotion, believing in primary health care and universal health coverage and a deep sense of responsibility are visible and can be an inspiration and a model for all.