In what way does George’s entrance into Muybridge’s building serve as the climax of the story?

It positions George to understand the lesson behind Muybridge's work.

Explanation:

Eadweard Muybridge was a famous photographer from United Kingdom. He is well known for his pioneering work in the photographic studies of motion as well as the early work in the projection of motion-picture.

In the context, George who was a fan of Muybridge was waiting eagerly for the World's Columbian exhibition which was held at Chicago, Illinois in the year 1893. He knew that the photography of Muybridge will be exhibited in the exhibition. So he was excited for the World Fair.

When he visited Muybridge building to see his art, he was taken aback by the art and creativity of Muybridge. Soon he understood the idea and the lesson of the work done by Muybridge.  It served as the climax of the story.

It positions George to understand the lesson behind Muybridge's work?

Explanation:

glamis thou art, and cawdor; and shalt be what thou art promis'd; yet do i fear thy nature; it is too full o' the milk of human kindness to catch the nearest way: thou wouldst be great; art not without ambition; but without the illness should attend it. what thou wouldst highly, that wouldst thou holily; wouldst not play false, and yet wouldst wrongly win: thou'dst have, great glamis, that which cries, "thus thou must do, if thou have it: and that which rather thou dost fear to do than wishest should be undone." hie thee hither, that i may pour my spirits in thine ear; and chastise with the valor of my tongue all that impedes thee from the golden round, which fate and metaphysical aid doth seem to have thee crown'd withal.  

he lacks ambition.  

he is hesitant.  

he lacks courage.  

he has moral scruples.