Soil microbes were the focus of Waksman's research. He was a microbiologist who studied the role of microorganisms in the soil. His work led to the discovery of antibiotics, which are drugs that kill or inhibit the growth of bacteria. Waksman's research also helped to establish the field of soil microbiology.
Selman Waksman: Unveiling the Microbial Maestro - An Engaging Quiz on the Nobel Laureate's Life and Legacy