Some speaker photos have wrong aspect ratio on iOS9 (meetup)

[samsmithyeah]

Description of the issue:
On the meetup page, some of the speaker photos are squashed

Browser used: Safari
OS used: iOS9 (iOS10 looks ok)
Device used: iPhone 6S

Steps to reproduce:

1. Go to meetup.react.london
2. Scroll down to the speakers in the 2nd event (React London: An introduction to the React ecosystem)

Actual result:

Expected result:

Shouldn't be squashed

[chris-brookes]

Re-tested - The issue is still happening. The hidden overflow is not taking affect in iOS9, so with the photos being too big (~200px) they are being squashed. It would be good for them to be ~120 x 120px to fit the frame.