Girl's Day Sojin has an unique academic history as she is known to be a mechanical engineering major. 

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Sojin, who has turned 30 this year, surprised everyone on SBS's 'Einstein' as she said she knows Cho Chun who was a famous celebrity multiple years back. 

She continued to surprise everyone as she revealed her unique academic history. 

Sojin said, "Due to my father who ran an automobile factory, I was naturally around cars all the time, and got into mechanical engineering in college." She explained her change in interest as she dreamed of becoming a singer as she said, "I was in a band when I was in college, and I got taste the sweetness of people's attention as I was on stage." 

Other panelists responded to Sojin as they said, "Students probably couldn't concentrate because of you since engineering major is mostly guys."

It is trure that students probably could not concentrate, but Sojin definitely would have been a sweet distraction!