Porsche 911

The MacGregor's post today includes the following:

The museum even addresses Florida’s infamous sinkholes:

That's what I call a "Porsche (x4)" pattern-cluster.  Enough to warrant further investigation.  
Note from the Porsche wiki page:

Porsche 911 (1963–1989)

The 911 caught my eye, note from the Porsche 911 wiki page:

Designer	Ferdinand Alexander Porsche, Erwin Komenda

• Ferdinand Alexander Porsche (11 December 1935 – 5 April 2012),^[1]nicknamed "Butzi
• Erwin Komenda (6 April 1904 - 22 August 1966) 

We now have an "April __, 5, 6, __/ Date Sequence" pattern-cluster.  Also mentioned in the MacGregor's post is serial killer Ted Bundy.  Note from his wiki page:

Theodore Robert Bundy ( November 24, 1946 – January 24, 1989) 

We now have a "November 24, ____, January 24/ 24th Day, Month Sequence" pattern-cluster.  Again, as per the previous post, simply use the formula