Bob,
Yes, David Gill is an intersting study, and both Tim and I could probably tell you more about him and it would be worthwhile. I don't know if George Williams, who partners with Dave's son Garret is still checking in, but he could tell you even more. A very good techician and as Tim suggests, all the conversations I ever had with him focused on building what made most sense from an economics POV.
He had a period where he built clusters of bunkers, to combat the cow trails around the edges of bunkers that blocked natural traffic flow, for instance. He was one of the first to completely loop his greens in irrigation, so that the pressure at each sprinkler was more equal to lead to better coverage.
But, it wasn't all maintenance. I recall a conversation with him about my bunker shapes when he sponsored me in ASGCA. Basically, it was an indept analysis of how he drew his shapes with French Curves vs radius because the asymetrical curves better reflected nature.
Sorry to go OT, but it does sort of illustrate Tim's point that the RTJ courses at the top end were such a small part of the pie that they aren't really reflective of what was happening.
Another point. I don't think anyone forgot anything. I think they thought golden age principles were outmoded for how golf was played then. And, I am not sure they were wrong, either. At least, not totally wrong. At that point in history, they were forward looking, as has been discussed, and who can blame them, when looking back at the decade they had just endured? Besides Ian's talk of great wealth, their designs were based on the rising but moderate wealth of the emerging middle class, which ain't all bad either. Lastly, if great designs come when there is great wealth, what kind of designs emerge when there is great nostalgia, as Ron Whitten opined a month or so ago?