Answer:
[tex] \huge{\fbox{ \sf{Who}}}[/tex]
Explanation:
[tex] \underline{ \sf{Rules}} : [/tex]
[tex] \star[/tex] people ( in the subject position ) + who + verb
Answer : My dad met someone who had worked for Edison.
Hope I helped!
Best regards! :D
~[tex] \sf{TheAnimeGirl}[/tex]
