Erdös number of Frank Thuijsman

The number is 3 due to:

Erdős, Paul; Holzman, Ron: On maximal triangle-free graphs. J. Graph Theory 18 (1994), no. 6, 585--594.

Holzman, Ron; Peleg, Bezalel; Sudhölter, Peter: Bargaining sets of majority voting games. Math. Oper. Res. 32 (2007), no. 4, 857--872.

Thuijsman, F.; Peleg, B.; Amitai, M.; Shmida, A.: Automata, matching and foraging behavior of bees. J. Theor. Biol. 175 (1995), no. 3, 301--316.