To solve the problem, we need to identify the person who discovered the stethoscope.
1. Understanding the Invention:
The stethoscope is a medical device used to listen to the internal sounds of a human or animal body, primarily for heart and lung sounds. It revolutionized diagnostics in medicine.
2. Historical Fact:
The stethoscope was invented in the year 1816 by Rene Laennec, a French physician. He created the device to avoid placing his ear directly on a patient's chest.
3. Eliminate Other Options:
- Linnaeus: Known for classification of organisms (taxonomy).
- Mendel: Known as the father of genetics.
- Maheswari: Known for contributions to plant embryology.
Final Answer:
Stethoscope was discovered by Rene Laennec.