妇
=
女
+
彐
:
Frieda Fox (fu) and Bessie Coleman (女), both being women (妇), do women's stuff in the space station's bathroom (Ø4), such as throwing fake pig noses (彐) at each other.
皆
=
比
+
白
:
Joan of Arc (ji) wants to be known by everyone (皆). To make sure to reach her goal she wears a bikini (比) in front of the elevator (e1) and inspects herself in a hand mirror (白).
知
=
口
+
矢
:
Mnemonic symbol: Francis Bacon is attributed to have stated "scientia potentia est", "knowledge is power". I'll thus represent 知 by Francis Bacon. Francis Bacon (知) and James II of England (zh) are playing darts (矢) in front of the space station (Ø1). Because they lack a dart board they just use a mandarin (口).