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diff --git a/hw6/include/surfaceSample.h b/hw6/include/surfaceSample.h
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+/******************************************************************/
+/* This file is part of the homework assignments for CSCI-427/527 */
+/* at The College of William & Mary and authored by Pieter Peers. */
+/* No part of this file, whether altered or in original form, can */
+/* be distributed or used outside the context of CSCI-427/527     */
+/* without consent of either the College of William & Mary or     */
+/* Pieter Peers.                                                  */
+/******************************************************************/
+#ifndef _SURFACESAMPLE_H_
+#define _SURFACESAMPLE_H_
+
+#include "transformation3d.h"
+#include <ostream>
+
+class surfaceSample {
+ public:
+  surfaceSample(void);
+  surfaceSample(const vec3d& position, const vec3d& normal, const float pdf);
+  surfaceSample(const surfaceSample& ss);
+
+  ///////////////
+  // Operators //
+  ///////////////
+  surfaceSample& operator=(const surfaceSample& ss);
+  
+  surfaceSample operator*(float pdf) const;
+  surfaceSample& operator*=(float pdf);
+
+  ////////////////
+  // Inspectors //
+  ////////////////
+  const vec3d& position(void) const;
+  const vec3d& normal(void) const;
+  float pdf(void) const;
+
+  /////////////
+  // Methods //
+  /////////////
+  surfaceSample& transform(const transformation3d& t);
+  surfaceSample& inverseTransform(const transformation3d& t);
+
+  /////////////
+  // Friends //
+  /////////////
+  friend void swap(surfaceSample& a, surfaceSample& b) { a._swap(b); }
+
+  friend surfaceSample transform(const surfaceSample& s, const transformation3d& t) { surfaceSample result(s); return result.transform(t); }  
+  friend surfaceSample inverseTransform(const surfaceSample& s, const transformation3d& t) { surfaceSample result(s); return result.inverseTransform(t); }
+
+  friend std::ostream& operator<<(std::ostream& s, const surfaceSample& ss)
+  {
+    s << "SurfaceSample: " << ss._position << "with normal: " << ss._normal << ", and PDF: " << ss._pdf;
+    return s;
+  }
+
+
+ private:
+  /////////////////////
+  // Private Methods //
+  /////////////////////
+  void _swap(surfaceSample& s);
+  void _assign(const surfaceSample& s);
+
+  //////////////////
+  // Data Members //
+  //////////////////
+  vec3d _position;
+  vec3d _normal;
+  float _pdf;
+};
+
+#endif /* _SURFACESAMPLE_H_ */