[SPOILER="."]jacks dad = claires dad
h:
jacks father is the person who is connected to most of the charcters i think he is the one that pretty much connects them all in some way.
and that dude that doesnt age... richard or something... weeeeird
[/SPOILER]
[spoiler=.] yeah...i knew clare's dad is jacks dad also...but the whole jacob thing and the time difference is just getting too weird. [/spoiler]