A summary report and collection of papers from the 1973 Summer Fellowship Program in Scientific Computing and the scientific work of fellowship students who participated. Contents: Comparison of Methods for Converting Between Pressure and Height Surfaces / Grant Branstator -- A Numerical Solution to a Model of Unsteady, Advective Diffusion of Material in the Atmosphere / Kenneth E. Dowell -- The Structure of Neutral Thermospheric Winds at Millstone Hill, Massachusetts Inferred from Incoherent Backscatter Radar Measurements / Barbara Emery -- The Rectified Response of a Two-Layer Model Ocean to a Time Dependent Forcing / Dale Bruce Haidvogel -- Transitivity Experiments in Semi-Empirical Time Dependent Climate Models / Jane Hsiung -- Boundary Conditions for a Barotropic Forecast Model / Mary Alice Rennick -- Frontogenesis in a Twenty-Level Isentropic Primitive Equation Model / Hampton N. Shirer -- Forced Equatorial Planetary Waves / Duane E. Stevens -- Measured Tropical Atmospheric Boundary Layer Characteristics Composited with Respect to Clouds / Roland B. Stull -- Numerical Study of Rossby-Wave Critical-Level Development in a Barotropic Flow / George H. Ward