That Wiki article deserves a couple fun facts from this great interview from last year:
Actually made it here thanks to your recent comment, @skillet:
When I read that, I (having had this very same thought on multiple occasions) had to web search "who could possibly fill @peternlewis's shoes?!" and this thread was the most relevant result. Well, on Google, as DuckDuckGo surfaced the interview first.
Even opened with the perfect irony of this snippet courtesy @Frankb's anti-misinformation post: 
For those who aren't aware, five's not greedy but just local Martian custom.