This is the 10734th most frequent Korean word.
권준학
"권준학" is a Korean proper noun, typically used as a personal name.
In this sentence, 권준학 is used as a name to identify a specific individual who is described as a teacher who is favored by students.
권준학은 학생들에게 인기가 많은 선생님이다.
Kwon Junhak is a teacher popular among students.
Here, 권준학 is employed as a name showing possession of an action (presentation). It indicates that the presentation was performed, prepared, or owned by Kwon Junhak.
권준학의 발표는 매우 인상 깊었다.
Kwon Junhak's presentation was very impressive.
In this example, 권준학 functions again as a name, used to identify the person who taught a method that was applied to solve a problem.