diff --git a/src/basics/SConscript b/src/basics/SConscript
index 0daa482..2014565 100644
--- a/src/basics/SConscript
+++ b/src/basics/SConscript
@@ -7,6 +7,7 @@ Import('env')
 
 files = [
     'matrix.cc',
+    'ray.cc',
     'vector.cc',
 ]
 
diff --git a/src/basics/basics.hh b/src/basics/basics.hh
index 8a556e8..fb956cd 100644
--- a/src/basics/basics.hh
+++ b/src/basics/basics.hh
@@ -10,6 +10,7 @@
 #define __BASICS_BASICS_HH__
 
 #include "basics/matrix.hh"
+#include "basics/ray.hh"
 #include "basics/types.hh"
 #include "basics/vector.hh"
 
diff --git a/src/basics/ray.cc b/src/basics/ray.cc
new file mode 100644
index 0000000..197de91
--- /dev/null
+++ b/src/basics/ray.cc
@@ -0,0 +1,35 @@
+/* ray.cc
+ * vim: set tw=80:
+ * Eryn Wells <eryn@erynwells.me>
+ */
+
+#include "basics/ray.hh"
+
+
+namespace charles {
+namespace basics {
+
+/*
+ * charles::basics::Ray::Ray --
+ */
+Ray::Ray(Vector4 o,
+         Vector4 d)
+    : origin(o),
+      direction(d)
+{ }
+
+
+/*
+ * charles::basics::Ray::Parameterize --
+ */
+Vector4
+Ray::Parameterize(const Double& t)
+    const
+{
+    return origin + direction * t;
+}
+
+
+} /* namespace basics */
+} /* namespace charles */
+
diff --git a/src/basics/ray.hh b/src/basics/ray.hh
new file mode 100644
index 0000000..26057a3
--- /dev/null
+++ b/src/basics/ray.hh
@@ -0,0 +1,25 @@
+/* ray.hh
+ * vim: set tw=80:
+ * Eryn Wells <eryn@erynwells.me>
+ */
+
+#include "basics/types.hh"
+#include "basics/vector.hh"
+
+
+namespace charles {
+namespace basics {
+
+struct Ray
+{
+    Ray(Vector4 o = Vector4(), Vector4 d = Vector4());
+
+    Vector4 Parameterize(const Double& t) const;
+
+    Vector4 origin;
+    Vector4 direction;
+};
+
+} /* namespace basics */
+} /* namespace charles */
+