Abstract
Quantum chromodynamics (QCD) is the theory of the strong interaction, but the properties of hadrons cannot be directly calculated from the QCD Lagrangian. Alternative approaches are then used: lattice QCD, effective field theories, chiral dynamics and the constituent quark models. To test these different approaches, precise measurements of hadron properties are of extreme importance. This is the main motivation for the hadron spectroscopy experimental programme which has been carried out over many years with different probes and different detectors. A survey of the most recent results in the field is presented and commented on with some hints on the opportunities offered by forthcoming experimental programmes.
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