Let's analyze each option:
(1) Gregor Johann Mendel:
Gregor Johann Mendel is known as the Father of Genetics, not microbiology. Hence, this is not the correct answer.
(2) Aristotle:
Aristotle was a philosopher and made many contributions to various fields, but he is not known as the Father of Microbiology. Hence, this is not the correct answer.
(3) Antonie van Leeuwenhoek:
Antonie van Leeuwenhoek is known as the Father of Microbiology because he was the first to observe microorganisms using a microscope in the 17th century. This is the correct answer.
(4) Louis Pasteur:
Louis Pasteur made significant contributions to microbiology, particularly in the development of germ theory and vaccination. However, the title "Father of Microbiology" is most commonly given to van Leeuwenhoek.
Conclusion:
The correct answer is Option 3: Antonie van Leeuwenhoek as he is considered the Father of Microbiology.