[Laza K. Lazarević--doctor, lawyer, writer and warrior in three wars].

Introduction: Laza K. Lazarevic was born on the 13th of May, 1851 in Sabac. He died on the 11th of January, 1891 in Belgrade. Laza K. Lazarevic was a Serb, lawyer, warrior, doctor and writer. He spoke Russian, German and French. Laza Lazarevic's road to the title of doctor of medicine. He studied law in Belgrade and graduated in 1871 and he graduated from the Faculty of Medicine in Berlin on the 28th of January, 1879. He took his doctor's degree in Berlin on the 8th of March, 1879 at the same Faculty. His road to the title of doctor of medicine was thorny and complicated. LAZA K. LAZAREVIC AS A WARRIOR: He took part in the Serbian-Turkish war and the Serbian-Bulgarian war. During the Serbian-Bulgarian War (1885) he was first given the rank of reserve medical major and later the rank of active medical colonel and then he was appointed assistant chief of the Supreme Command of Health Care with the task to establish the Great reserve military hospital in Nis. PROFESSIONAL AND SCIENTIFIC WORK OF DR. LAZA K. LAZAREVIC: He had seventy two professional and scientific medical papers published, a great number of which referring to nervous diseases, such as paralysis agitans, sclerosis of medulla spinalis, aphasia and others. Therefore, it can be rightly said that Dr. Laza K. Lazarevic was the first Serbian neurologist. The very first operation of cataract in Serbia was performed by Dr. Laza K. Lazarevic in aseptic conditions, when cocaine was applied for anesthesia. He was the first doctor to be sent by the Ministry of Internal Affairs to Vienna in 1884 to learn how to prepare animal lymph. In 1879 he was appointed the physician of the Belgrade District and in 1881 he was promoted to the position of head doctor and Chief of Internal Department of the General State Hospital in Belgrade. He was the personal doctor of King Milan Obrenovic. LAZA K. LAZAREVIC AS A WRITER: Laza Lazarevic is considered to be the originator of psychological stories in Serbian realistic literature and had nine stories published, while eight remained unfinished.

Conclusion: Thanks to his intelligence, hard work, determination and persistence and the financial help of Serbia Medical Colonel Dr Laza K. Lazarevic gained the best of knowledge across Europe, having studied at the most prestigious school in Europe - the fact that can be admired and envied even today.