Directions:

Philips NatLab (Natuurkundig Laboratorium = Physics Laboratory, dating from 1923), where metallic hafnium was prepared, Kastanjelaan - N51 26.75 E05 27.25.
RR Station, Eindhoven Railway Station, 22 Stationsplein - N51 26.57 E05 28.82.
Original Philips Factory, 31 Emmasingel (and expanded Philips company) - N51 26.35 E05 28.51.
Hi Tech Campus, where the NatLab moved in the 1960s, 4 Professor Holstlaan - N51 24.69 E05 27.50.
"1" = Entrance to Hi Tech Campus off Professor Holstlaan - N51 24.72 E05 27.80