Using Find in a Generic List

using System;
using System.Collections.Generic;
using System.Text;

namespace GenericsFind
{
    class Person : IComparable
    {
        private string _Firstname;

        public string Firstname
        {
            get { return _Firstname; }
            set { _Firstname = value; }
        }

        public Person(string strPar1)
        {
            Firstname = strPar1;
        }

        #region IComparable Members

        public int CompareTo(object obj)
        {
            throw new NotImplementedException();
        }

        public override bool Equals(object obj)
        {
            return this.Firstname == ((Person)obj).Firstname;
            //return base.Equals(obj);
        }

        #endregion
    }
}