Includes bibliographies.

Spectral synthesis on symmetric spaces ; The finite Radon transform ; Hyperfunctions in representation theory and mathematical physics ; The exponential Radon transform ; Integral geometry as geometry and as analysis ; Euclidean Radon transforms: ranges and restrictions ; Perspectives in integral geometry ; Some results on Radon transforms, Huygens' principle and Xray transforms ; Classical integral geometry in Riemannian homogeneous spaces ; Differential operators and Cartan motion groups ; An ^2 ohomology analogue of the Penrose transform for the oscillator representation ; Injectivity of rotation invariant Radon transforms on complex hyperplanes in bf C^n ; On overdetermined systems associated with integral geometry transforms in the real projective space ; The Pompeiu problem in exterior domains in symmetric spaces ; Curvature integrals and Chern classes of singular varieties ; Hypothesis testing in integral geometry: guessing the shape of a plane domain ; Nonlinear integral transforms ; Integral geometry and twistor theory ; Some inverse problems of potential theory Carlos A Berenstein ; Ethan D Bolker ; Edward G Dunne ; David V Finch and Alexander Hertle ; S G Gindikin ; Eric L Grinberg ; Victor Guillemin ; S Helgason ; Ralph Howard ; Kenneth D Johnson ; Lisa A Mantini ; Eric Todd Quinto ; Radu Rosu ; M Shahshahani and Alladi Sitaram ; Theodore Shifrin ; Peter Waksman ; R S Ward ; R O Wells Jr ; Lawrence Zalcman